Home / 79,056,105.40-118,584,158.10-56,097,854.20

Finding the Fourth Proportional to 79,056,105.40, 118,584,158.10 and 56,097,854.20

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Solution

The fourth proportional to 79,056,105.40, 118,584,158.10 and 56,097,854.20 is: 84,146,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,056,105.40 : 118,584,158.10 = 56,097,854.20 : x
  2. Step 2: Convert to fraction form
    79,056,105.40/118,584,158.10 = 56,097,854.20/x
  3. Step 3: Cross multiply
    79,056,105.40x = 118,584,158.10 × 56,097,854.20
  4. Step 4: Simplify right side
    79,056,105.40x = 6,652,316,811,523,549
  5. Step 5: Solve for x
    x = 6,652,316,811,523,549/79,056,105.40
  6. Step 6: Final answer
    x = 84,146,781.30

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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.