Home / 121,456,342.57-182,038,141-55,786,860.95

Finding the Fourth Proportional to 121,456,342.57, 182,038,141 and 55,786,860.95

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Solution

The fourth proportional to 121,456,342.57, 182,038,141 and 55,786,860.95 is: 83,613,060.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,456,342.57 : 182,038,141 = 55,786,860.95 : x
  2. Step 2: Convert to fraction form
    121,456,342.57/182,038,141 = 55,786,860.95/x
  3. Step 3: Cross multiply
    121,456,342.57x = 182,038,141 × 55,786,860.95
  4. Step 4: Simplify right side
    121,456,342.57x = 10,155,336,459,563,494
  5. Step 5: Solve for x
    x = 10,155,336,459,563,494/121,456,342.57
  6. Step 6: Final answer
    x = 83,613,060.01

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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.