Home / 78,526,973.43-117,680,206.59-62,059,859.19

Finding the Fourth Proportional to 78,526,973.43, 117,680,206.59 and 62,059,859.19

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Solution

The fourth proportional to 78,526,973.43, 117,680,206.59 and 62,059,859.19 is: 93,002,655.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,526,973.43 : 117,680,206.59 = 62,059,859.19 : x
  2. Step 2: Convert to fraction form
    78,526,973.43/117,680,206.59 = 62,059,859.19/x
  3. Step 3: Cross multiply
    78,526,973.43x = 117,680,206.59 × 62,059,859.19
  4. Step 4: Simplify right side
    78,526,973.43x = 7,303,217,050,425,510
  5. Step 5: Solve for x
    x = 7,303,217,050,425,510/78,526,973.43
  6. Step 6: Final answer
    x = 93,002,655.41

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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.