Home / 139,110,065.61-208,680,232.45-51,661,324.52

Finding the Fourth Proportional to 139,110,065.61, 208,680,232.45 and 51,661,324.52

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Solution

The fourth proportional to 139,110,065.61, 208,680,232.45 and 51,661,324.52 is: 77,497,607.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,110,065.61 : 208,680,232.45 = 51,661,324.52 : x
  2. Step 2: Convert to fraction form
    139,110,065.61/208,680,232.45 = 51,661,324.52/x
  3. Step 3: Cross multiply
    139,110,065.61x = 208,680,232.45 × 51,661,324.52
  4. Step 4: Simplify right side
    139,110,065.61x = 10,780,697,209,508,484
  5. Step 5: Solve for x
    x = 10,780,697,209,508,484/139,110,065.61
  6. Step 6: Final answer
    x = 77,497,607.11

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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.