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Finding the Fourth Proportional to 172,909,300.84, 258,948,356.84 and 98,908,725.48

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Solution

The fourth proportional to 172,909,300.84, 258,948,356.84 and 98,908,725.48 is: 148,125,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,909,300.84 : 258,948,356.84 = 98,908,725.48 : x
  2. Step 2: Convert to fraction form
    172,909,300.84/258,948,356.84 = 98,908,725.48/x
  3. Step 3: Cross multiply
    172,909,300.84x = 258,948,356.84 × 98,908,725.48
  4. Step 4: Simplify right side
    172,909,300.84x = 25,612,251,940,184,640
  5. Step 5: Solve for x
    x = 25,612,251,940,184,640/172,909,300.84
  6. Step 6: Final answer
    x = 148,125,357.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.