Home / 74,884,815.40-112,327,223.10-61,279,925.80

Finding the Fourth Proportional to 74,884,815.40, 112,327,223.10 and 61,279,925.80

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Solution

The fourth proportional to 74,884,815.40, 112,327,223.10 and 61,279,925.80 is: 91,919,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,884,815.40 : 112,327,223.10 = 61,279,925.80 : x
  2. Step 2: Convert to fraction form
    74,884,815.40/112,327,223.10 = 61,279,925.80/x
  3. Step 3: Cross multiply
    74,884,815.40x = 112,327,223.10 × 61,279,925.80
  4. Step 4: Simplify right side
    74,884,815.40x = 6,883,403,896,888,045
  5. Step 5: Solve for x
    x = 6,883,403,896,888,045/74,884,815.40
  6. Step 6: Final answer
    x = 91,919,888.70

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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.