Home / 42,868,646.91-64,300,363.79-15,203,932.83

Finding the Fourth Proportional to 42,868,646.91, 64,300,363.79 and 15,203,932.83

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Solution

The fourth proportional to 42,868,646.91, 64,300,363.79 and 15,203,932.83 is: 22,804,974.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,868,646.91 : 64,300,363.79 = 15,203,932.83 : x
  2. Step 2: Convert to fraction form
    42,868,646.91/64,300,363.79 = 15,203,932.83/x
  3. Step 3: Cross multiply
    42,868,646.91x = 64,300,363.79 × 15,203,932.83
  4. Step 4: Simplify right side
    42,868,646.91x = 977,618,411,931,704.50
  5. Step 5: Solve for x
    x = 977,618,411,931,704.50/42,868,646.91
  6. Step 6: Final answer
    x = 22,804,974.79

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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.