Home / 242,501,979.60-363,752,969.40-69,984,421.20

Finding the Fourth Proportional to 242,501,979.60, 363,752,969.40 and 69,984,421.20

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Solution

The fourth proportional to 242,501,979.60, 363,752,969.40 and 69,984,421.20 is: 104,976,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,501,979.60 : 363,752,969.40 = 69,984,421.20 : x
  2. Step 2: Convert to fraction form
    242,501,979.60/363,752,969.40 = 69,984,421.20/x
  3. Step 3: Cross multiply
    242,501,979.60x = 363,752,969.40 × 69,984,421.20
  4. Step 4: Simplify right side
    242,501,979.60x = 25,457,041,023,240,312
  5. Step 5: Solve for x
    x = 25,457,041,023,240,312/242,501,979.60
  6. Step 6: Final answer
    x = 104,976,631.80

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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.