Home / 98,723,140.80-148,084,711.20-70,025,326.80

Finding the Fourth Proportional to 98,723,140.80, 148,084,711.20 and 70,025,326.80

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Solution

The fourth proportional to 98,723,140.80, 148,084,711.20 and 70,025,326.80 is: 105,037,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,723,140.80 : 148,084,711.20 = 70,025,326.80 : x
  2. Step 2: Convert to fraction form
    98,723,140.80/148,084,711.20 = 70,025,326.80/x
  3. Step 3: Cross multiply
    98,723,140.80x = 148,084,711.20 × 70,025,326.80
  4. Step 4: Simplify right side
    98,723,140.80x = 10,369,680,295,863,618
  5. Step 5: Solve for x
    x = 10,369,680,295,863,618/98,723,140.80
  6. Step 6: Final answer
    x = 105,037,990.20

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Similar ratio
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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.