Home / 143,862,807.87-215,701,430.75-56,433,158.92

Finding the Fourth Proportional to 143,862,807.87, 215,701,430.75 and 56,433,158.92

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Solution

The fourth proportional to 143,862,807.87, 215,701,430.75 and 56,433,158.92 is: 84,613,343.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,862,807.87 : 215,701,430.75 = 56,433,158.92 : x
  2. Step 2: Convert to fraction form
    143,862,807.87/215,701,430.75 = 56,433,158.92/x
  3. Step 3: Cross multiply
    143,862,807.87x = 215,701,430.75 × 56,433,158.92
  4. Step 4: Simplify right side
    143,862,807.87x = 12,172,713,119,930,466
  5. Step 5: Solve for x
    x = 12,172,713,119,930,466/143,862,807.87
  6. Step 6: Final answer
    x = 84,613,343.09

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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.