Home / 64,614,842.40-96,827,785.20-54,978,045.60

Finding the Fourth Proportional to 64,614,842.40, 96,827,785.20 and 54,978,045.60

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Solution

The fourth proportional to 64,614,842.40, 96,827,785.20 and 54,978,045.60 is: 82,386,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,614,842.40 : 96,827,785.20 = 54,978,045.60 : x
  2. Step 2: Convert to fraction form
    64,614,842.40/96,827,785.20 = 54,978,045.60/x
  3. Step 3: Cross multiply
    64,614,842.40x = 96,827,785.20 × 54,978,045.60
  4. Step 4: Simplify right side
    64,614,842.40x = 5,323,402,390,072,605
  5. Step 5: Solve for x
    x = 5,323,402,390,072,605/64,614,842.40
  6. Step 6: Final answer
    x = 82,386,680.71

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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.