Home / 42,547,169.70-63,820,754.55-42,228,305.10

Finding the Fourth Proportional to 42,547,169.70, 63,820,754.55 and 42,228,305.10

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Solution

The fourth proportional to 42,547,169.70, 63,820,754.55 and 42,228,305.10 is: 63,342,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,547,169.70 : 63,820,754.55 = 42,228,305.10 : x
  2. Step 2: Convert to fraction form
    42,547,169.70/63,820,754.55 = 42,228,305.10/x
  3. Step 3: Cross multiply
    42,547,169.70x = 63,820,754.55 × 42,228,305.10
  4. Step 4: Simplify right side
    42,547,169.70x = 2,695,042,294,849,613
  5. Step 5: Solve for x
    x = 2,695,042,294,849,613/42,547,169.70
  6. Step 6: Final answer
    x = 63,342,457.65

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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.