Home / 88,918,457.69-122,720,306.85-51,234,404.24

Finding the Fourth Proportional to 88,918,457.69, 122,720,306.85 and 51,234,404.24

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Solution

The fourth proportional to 88,918,457.69, 122,720,306.85 and 51,234,404.24 is: 70,710,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,918,457.69 : 122,720,306.85 = 51,234,404.24 : x
  2. Step 2: Convert to fraction form
    88,918,457.69/122,720,306.85 = 51,234,404.24/x
  3. Step 3: Cross multiply
    88,918,457.69x = 122,720,306.85 × 51,234,404.24
  4. Step 4: Simplify right side
    88,918,457.69x = 6,287,501,808,996,139
  5. Step 5: Solve for x
    x = 6,287,501,808,996,139/88,918,457.69
  6. Step 6: Final answer
    x = 70,710,873.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.