Home / 93,301,143.68-128,781,186.79-54,155,531.61

Finding the Fourth Proportional to 93,301,143.68, 128,781,186.79 and 54,155,531.61

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Solution

The fourth proportional to 93,301,143.68, 128,781,186.79 and 54,155,531.61 is: 74,749,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,301,143.68 : 128,781,186.79 = 54,155,531.61 : x
  2. Step 2: Convert to fraction form
    93,301,143.68/128,781,186.79 = 54,155,531.61/x
  3. Step 3: Cross multiply
    93,301,143.68x = 128,781,186.79 × 54,155,531.61
  4. Step 4: Simplify right side
    93,301,143.68x = 6,974,213,631,979,160
  5. Step 5: Solve for x
    x = 6,974,213,631,979,160/93,301,143.68
  6. Step 6: Final answer
    x = 74,749,497.78

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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.