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Finding the Fourth Proportional to 58,811,807.60, 88,217,711.40 and 56,166,412.40

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Solution

The fourth proportional to 58,811,807.60, 88,217,711.40 and 56,166,412.40 is: 84,249,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,811,807.60 : 88,217,711.40 = 56,166,412.40 : x
  2. Step 2: Convert to fraction form
    58,811,807.60/88,217,711.40 = 56,166,412.40/x
  3. Step 3: Cross multiply
    58,811,807.60x = 88,217,711.40 × 56,166,412.40
  4. Step 4: Simplify right side
    58,811,807.60x = 4,954,872,359,476,582
  5. Step 5: Solve for x
    x = 4,954,872,359,476,582/58,811,807.60
  6. Step 6: Final answer
    x = 84,249,618.60

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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.