Home / 123,793,031.85-170,836,151.12-68,043,606.13

Finding the Fourth Proportional to 123,793,031.85, 170,836,151.12 and 68,043,606.13

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Solution

The fourth proportional to 123,793,031.85, 170,836,151.12 and 68,043,606.13 is: 93,901,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,793,031.85 : 170,836,151.12 = 68,043,606.13 : x
  2. Step 2: Convert to fraction form
    123,793,031.85/170,836,151.12 = 68,043,606.13/x
  3. Step 3: Cross multiply
    123,793,031.85x = 170,836,151.12 × 68,043,606.13
  4. Step 4: Simplify right side
    123,793,031.85x = 11,624,307,779,574,438
  5. Step 5: Solve for x
    x = 11,624,307,779,574,438/123,793,031.85
  6. Step 6: Final answer
    x = 93,901,147.79

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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.