Home / 79,396,225.20-119,094,337.80-69,830,287.20

Finding the Fourth Proportional to 79,396,225.20, 119,094,337.80 and 69,830,287.20

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Solution

The fourth proportional to 79,396,225.20, 119,094,337.80 and 69,830,287.20 is: 104,745,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,396,225.20 : 119,094,337.80 = 69,830,287.20 : x
  2. Step 2: Convert to fraction form
    79,396,225.20/119,094,337.80 = 69,830,287.20/x
  3. Step 3: Cross multiply
    79,396,225.20x = 119,094,337.80 × 69,830,287.20
  4. Step 4: Simplify right side
    79,396,225.20x = 8,316,391,812,467,816
  5. Step 5: Solve for x
    x = 8,316,391,812,467,816/79,396,225.20
  6. Step 6: Final answer
    x = 104,745,430.80

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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.