Home / 85,164,001.20-127,746,001.80-30,602,725.20

Finding the Fourth Proportional to 85,164,001.20, 127,746,001.80 and 30,602,725.20

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Solution

The fourth proportional to 85,164,001.20, 127,746,001.80 and 30,602,725.20 is: 45,904,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,164,001.20 : 127,746,001.80 = 30,602,725.20 : x
  2. Step 2: Convert to fraction form
    85,164,001.20/127,746,001.80 = 30,602,725.20/x
  3. Step 3: Cross multiply
    85,164,001.20x = 127,746,001.80 × 30,602,725.20
  4. Step 4: Simplify right side
    85,164,001.20x = 3,909,375,788,484,105
  5. Step 5: Solve for x
    x = 3,909,375,788,484,105/85,164,001.20
  6. Step 6: Final answer
    x = 45,904,087.80

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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.