Home / 115,897,123.40-173,845,685.10-29,642,280.80

Finding the Fourth Proportional to 115,897,123.40, 173,845,685.10 and 29,642,280.80

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Solution

The fourth proportional to 115,897,123.40, 173,845,685.10 and 29,642,280.80 is: 44,463,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,897,123.40 : 173,845,685.10 = 29,642,280.80 : x
  2. Step 2: Convert to fraction form
    115,897,123.40/173,845,685.10 = 29,642,280.80/x
  3. Step 3: Cross multiply
    115,897,123.40x = 173,845,685.10 × 29,642,280.80
  4. Step 4: Simplify right side
    115,897,123.40x = 5,153,182,613,602,576
  5. Step 5: Solve for x
    x = 5,153,182,613,602,576/115,897,123.40
  6. Step 6: Final answer
    x = 44,463,421.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.