Home / 124,650,998.30-187,827,331.62-102,429,678.62

Finding the Fourth Proportional to 124,650,998.30, 187,827,331.62 and 102,429,678.62

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Solution

The fourth proportional to 124,650,998.30, 187,827,331.62 and 102,429,678.62 is: 154,343,675.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,650,998.30 : 187,827,331.62 = 102,429,678.62 : x
  2. Step 2: Convert to fraction form
    124,650,998.30/187,827,331.62 = 102,429,678.62/x
  3. Step 3: Cross multiply
    124,650,998.30x = 187,827,331.62 × 102,429,678.62
  4. Step 4: Simplify right side
    124,650,998.30x = 19,239,093,212,565,516
  5. Step 5: Solve for x
    x = 19,239,093,212,565,516/124,650,998.30
  6. Step 6: Final answer
    x = 154,343,675.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.