Home / 82,742,000.70-124,113,001.05-54,044,186.70

Finding the Fourth Proportional to 82,742,000.70, 124,113,001.05 and 54,044,186.70

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Solution

The fourth proportional to 82,742,000.70, 124,113,001.05 and 54,044,186.70 is: 81,066,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,742,000.70 : 124,113,001.05 = 54,044,186.70 : x
  2. Step 2: Convert to fraction form
    82,742,000.70/124,113,001.05 = 54,044,186.70/x
  3. Step 3: Cross multiply
    82,742,000.70x = 124,113,001.05 × 54,044,186.70
  4. Step 4: Simplify right side
    82,742,000.70x = 6,707,586,200,643,496
  5. Step 5: Solve for x
    x = 6,707,586,200,643,496/82,742,000.70
  6. Step 6: Final answer
    x = 81,066,280.05

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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.