Home / 157,479,196.80-236,218,795.20-124,955,007.60

Finding the Fourth Proportional to 157,479,196.80, 236,218,795.20 and 124,955,007.60

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Solution

The fourth proportional to 157,479,196.80, 236,218,795.20 and 124,955,007.60 is: 187,432,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,479,196.80 : 236,218,795.20 = 124,955,007.60 : x
  2. Step 2: Convert to fraction form
    157,479,196.80/236,218,795.20 = 124,955,007.60/x
  3. Step 3: Cross multiply
    157,479,196.80x = 236,218,795.20 × 124,955,007.60
  4. Step 4: Simplify right side
    157,479,196.80x = 29,516,721,349,478,840
  5. Step 5: Solve for x
    x = 29,516,721,349,478,840/157,479,196.80
  6. Step 6: Final answer
    x = 187,432,511.40

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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.