Home / 131,179,277.90-196,887,889.65-66,528,058.70

Finding the Fourth Proportional to 131,179,277.90, 196,887,889.65 and 66,528,058.70

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Solution

The fourth proportional to 131,179,277.90, 196,887,889.65 and 66,528,058.70 is: 99,852,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,179,277.90 : 196,887,889.65 = 66,528,058.70 : x
  2. Step 2: Convert to fraction form
    131,179,277.90/196,887,889.65 = 66,528,058.70/x
  3. Step 3: Cross multiply
    131,179,277.90x = 196,887,889.65 × 66,528,058.70
  4. Step 4: Simplify right side
    131,179,277.90x = 13,098,569,079,954,324
  5. Step 5: Solve for x
    x = 13,098,569,079,954,324/131,179,277.90
  6. Step 6: Final answer
    x = 99,852,425.55

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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.