Home / 118,700,031.20-178,050,046.80-73,350,399.20

Finding the Fourth Proportional to 118,700,031.20, 178,050,046.80 and 73,350,399.20

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Solution

The fourth proportional to 118,700,031.20, 178,050,046.80 and 73,350,399.20 is: 110,025,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,700,031.20 : 178,050,046.80 = 73,350,399.20 : x
  2. Step 2: Convert to fraction form
    118,700,031.20/178,050,046.80 = 73,350,399.20/x
  3. Step 3: Cross multiply
    118,700,031.20x = 178,050,046.80 × 73,350,399.20
  4. Step 4: Simplify right side
    118,700,031.20x = 13,060,042,010,358,684
  5. Step 5: Solve for x
    x = 13,060,042,010,358,684/118,700,031.20
  6. Step 6: Final answer
    x = 110,025,598.80

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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.