Home / 78,732,199.10-118,224,269.85-53,286,016.70

Finding the Fourth Proportional to 78,732,199.10, 118,224,269.85 and 53,286,016.70

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Solution

The fourth proportional to 78,732,199.10, 118,224,269.85 and 53,286,016.70 is: 80,014,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,199.10 : 118,224,269.85 = 53,286,016.70 : x
  2. Step 2: Convert to fraction form
    78,732,199.10/118,224,269.85 = 53,286,016.70/x
  3. Step 3: Cross multiply
    78,732,199.10x = 118,224,269.85 × 53,286,016.70
  4. Step 4: Simplify right side
    78,732,199.10x = 6,299,700,417,572,407
  5. Step 5: Solve for x
    x = 6,299,700,417,572,407/78,732,199.10
  6. Step 6: Final answer
    x = 80,014,282.46

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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.