Home / 118,280,267.20-177,420,400.80-77,465,598.40

Finding the Fourth Proportional to 118,280,267.20, 177,420,400.80 and 77,465,598.40

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Solution

The fourth proportional to 118,280,267.20, 177,420,400.80 and 77,465,598.40 is: 116,198,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,280,267.20 : 177,420,400.80 = 77,465,598.40 : x
  2. Step 2: Convert to fraction form
    118,280,267.20/177,420,400.80 = 77,465,598.40/x
  3. Step 3: Cross multiply
    118,280,267.20x = 177,420,400.80 × 77,465,598.40
  4. Step 4: Simplify right side
    118,280,267.20x = 13,743,977,516,339,840
  5. Step 5: Solve for x
    x = 13,743,977,516,339,840/118,280,267.20
  6. Step 6: Final answer
    x = 116,198,397.60

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1.5x scale

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.