Home / 172,898,989.80-238,599,892.55-93,514,139.93

Finding the Fourth Proportional to 172,898,989.80, 238,599,892.55 and 93,514,139.93

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Solution

The fourth proportional to 172,898,989.80, 238,599,892.55 and 93,514,139.93 is: 129,049,127.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,898,989.80 : 238,599,892.55 = 93,514,139.93 : x
  2. Step 2: Convert to fraction form
    172,898,989.80/238,599,892.55 = 93,514,139.93/x
  3. Step 3: Cross multiply
    172,898,989.80x = 238,599,892.55 × 93,514,139.93
  4. Step 4: Simplify right side
    172,898,989.80x = 22,312,463,737,718,900
  5. Step 5: Solve for x
    x = 22,312,463,737,718,900/172,898,989.80
  6. Step 6: Final answer
    x = 129,049,127.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.