Home / 51,785,282.28-77,688,156.28-18,996,155.60

Finding the Fourth Proportional to 51,785,282.28, 77,688,156.28 and 18,996,155.60

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Solution

The fourth proportional to 51,785,282.28, 77,688,156.28 and 18,996,155.60 is: 28,497,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,785,282.28 : 77,688,156.28 = 18,996,155.60 : x
  2. Step 2: Convert to fraction form
    51,785,282.28/77,688,156.28 = 18,996,155.60/x
  3. Step 3: Cross multiply
    51,785,282.28x = 77,688,156.28 × 18,996,155.60
  4. Step 4: Simplify right side
    51,785,282.28x = 1,475,776,304,583,556.25
  5. Step 5: Solve for x
    x = 1,475,776,304,583,556.25/51,785,282.28
  6. Step 6: Final answer
    x = 28,497,987.07

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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.