Home / 51,785,315.62-77,688,206.20-18,996,188.92

Finding the Fourth Proportional to 51,785,315.62, 77,688,206.20 and 18,996,188.92

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Solution

The fourth proportional to 51,785,315.62, 77,688,206.20 and 18,996,188.92 is: 28,498,037.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,785,315.62 : 77,688,206.20 = 18,996,188.92 : x
  2. Step 2: Convert to fraction form
    51,785,315.62/77,688,206.20 = 18,996,188.92/x
  3. Step 3: Cross multiply
    51,785,315.62x = 77,688,206.20 × 18,996,188.92
  4. Step 4: Simplify right side
    51,785,315.62x = 1,475,779,841,831,115.50
  5. Step 5: Solve for x
    x = 1,475,779,841,831,115.50/51,785,315.62
  6. Step 6: Final answer
    x = 28,498,037.02

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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.