Home / 51,785,281.28-77,688,154.79-18,996,154.60

Finding the Fourth Proportional to 51,785,281.28, 77,688,154.79 and 18,996,154.60

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Solution

The fourth proportional to 51,785,281.28, 77,688,154.79 and 18,996,154.60 is: 28,497,985.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,785,281.28 : 77,688,154.79 = 18,996,154.60 : x
  2. Step 2: Convert to fraction form
    51,785,281.28/77,688,154.79 = 18,996,154.60/x
  3. Step 3: Cross multiply
    51,785,281.28x = 77,688,154.79 × 18,996,154.60
  4. Step 4: Simplify right side
    51,785,281.28x = 1,475,776,199,232,944
  5. Step 5: Solve for x
    x = 1,475,776,199,232,944/51,785,281.28
  6. Step 6: Final answer
    x = 28,497,985.58

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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.