Home / 42,888,289.92-64,364,326.20-17,329,520.76

Finding the Fourth Proportional to 42,888,289.92, 64,364,326.20 and 17,329,520.76

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Solution

The fourth proportional to 42,888,289.92, 64,364,326.20 and 17,329,520.76 is: 26,007,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,888,289.92 : 64,364,326.20 = 17,329,520.76 : x
  2. Step 2: Convert to fraction form
    42,888,289.92/64,364,326.20 = 17,329,520.76/x
  3. Step 3: Cross multiply
    42,888,289.92x = 64,364,326.20 × 17,329,520.76
  4. Step 4: Simplify right side
    42,888,289.92x = 1,115,402,927,086,312.12
  5. Step 5: Solve for x
    x = 1,115,402,927,086,312.12/42,888,289.92
  6. Step 6: Final answer
    x = 26,007,167.21

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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.