Home / 114,479,083.08-157,966,781.58-77,390,064.36

Finding the Fourth Proportional to 114,479,083.08, 157,966,781.58 and 77,390,064.36

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Solution

The fourth proportional to 114,479,083.08, 157,966,781.58 and 77,390,064.36 is: 106,788,585.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,479,083.08 : 157,966,781.58 = 77,390,064.36 : x
  2. Step 2: Convert to fraction form
    114,479,083.08/157,966,781.58 = 77,390,064.36/x
  3. Step 3: Cross multiply
    114,479,083.08x = 157,966,781.58 × 77,390,064.36
  4. Step 4: Simplify right side
    114,479,083.08x = 12,225,059,393,218,264
  5. Step 5: Solve for x
    x = 12,225,059,393,218,264/114,479,083.08
  6. Step 6: Final answer
    x = 106,788,585.86

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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.