Home / 100,197,692.28-150,249,165.30-38,815,600.68

Finding the Fourth Proportional to 100,197,692.28, 150,249,165.30 and 38,815,600.68

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Solution

The fourth proportional to 100,197,692.28, 150,249,165.30 and 38,815,600.68 is: 58,205,049.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,197,692.28 : 150,249,165.30 = 38,815,600.68 : x
  2. Step 2: Convert to fraction form
    100,197,692.28/150,249,165.30 = 38,815,600.68/x
  3. Step 3: Cross multiply
    100,197,692.28x = 150,249,165.30 × 38,815,600.68
  4. Step 4: Simplify right side
    100,197,692.28x = 5,832,011,602,788,113
  5. Step 5: Solve for x
    x = 5,832,011,602,788,113/100,197,692.28
  6. Step 6: Final answer
    x = 58,205,049.14

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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.