Home / 187,272,046.80-280,908,070.20-157,038,958.80

Finding the Fourth Proportional to 187,272,046.80, 280,908,070.20 and 157,038,958.80

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Solution

The fourth proportional to 187,272,046.80, 280,908,070.20 and 157,038,958.80 is: 235,558,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,272,046.80 : 280,908,070.20 = 157,038,958.80 : x
  2. Step 2: Convert to fraction form
    187,272,046.80/280,908,070.20 = 157,038,958.80/x
  3. Step 3: Cross multiply
    187,272,046.80x = 280,908,070.20 × 157,038,958.80
  4. Step 4: Simplify right side
    187,272,046.80x = 44,113,510,862,725,312
  5. Step 5: Solve for x
    x = 44,113,510,862,725,312/187,272,046.80
  6. Step 6: Final answer
    x = 235,558,438.20

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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.