Home / 151,607,197.06-209,218,071.45-81,992,577.95

Finding the Fourth Proportional to 151,607,197.06, 209,218,071.45 and 81,992,577.95

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Solution

The fourth proportional to 151,607,197.06, 209,218,071.45 and 81,992,577.95 is: 113,149,833.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,607,197.06 : 209,218,071.45 = 81,992,577.95 : x
  2. Step 2: Convert to fraction form
    151,607,197.06/209,218,071.45 = 81,992,577.95/x
  3. Step 3: Cross multiply
    151,607,197.06x = 209,218,071.45 × 81,992,577.95
  4. Step 4: Simplify right side
    151,607,197.06x = 17,154,329,031,235,342
  5. Step 5: Solve for x
    x = 17,154,329,031,235,342/151,607,197.06
  6. Step 6: Final answer
    x = 113,149,833.01

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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.