Home / 42,707,560.80-64,061,341.20-42,309,429.60

Finding the Fourth Proportional to 42,707,560.80, 64,061,341.20 and 42,309,429.60

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Solution

The fourth proportional to 42,707,560.80, 64,061,341.20 and 42,309,429.60 is: 63,464,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,707,560.80 : 64,061,341.20 = 42,309,429.60 : x
  2. Step 2: Convert to fraction form
    42,707,560.80/64,061,341.20 = 42,309,429.60/x
  3. Step 3: Cross multiply
    42,707,560.80x = 64,061,341.20 × 42,309,429.60
  4. Step 4: Simplify right side
    42,707,560.80x = 2,710,398,805,582,979.50
  5. Step 5: Solve for x
    x = 2,710,398,805,582,979.50/42,707,560.80
  6. Step 6: Final answer
    x = 63,464,144.40

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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.