Home / 140,680,190.04-194,139,802.14-77,957,335.71

Finding the Fourth Proportional to 140,680,190.04, 194,139,802.14 and 77,957,335.71

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Solution

The fourth proportional to 140,680,190.04, 194,139,802.14 and 77,957,335.71 is: 107,581,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,680,190.04 : 194,139,802.14 = 77,957,335.71 : x
  2. Step 2: Convert to fraction form
    140,680,190.04/194,139,802.14 = 77,957,335.71/x
  3. Step 3: Cross multiply
    140,680,190.04x = 194,139,802.14 × 77,957,335.71
  4. Step 4: Simplify right side
    140,680,190.04x = 15,134,621,728,935,362
  5. Step 5: Solve for x
    x = 15,134,621,728,935,362/140,680,190.04
  6. Step 6: Final answer
    x = 107,581,754.94

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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.