Home / 144,181,410-198,966,235.17-84,641,748.72

Finding the Fourth Proportional to 144,181,410, 198,966,235.17 and 84,641,748.72

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Solution

The fourth proportional to 144,181,410, 198,966,235.17 and 84,641,748.72 is: 116,803,200.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,181,410 : 198,966,235.17 = 84,641,748.72 : x
  2. Step 2: Convert to fraction form
    144,181,410/198,966,235.17 = 84,641,748.72/x
  3. Step 3: Cross multiply
    144,181,410x = 198,966,235.17 × 84,641,748.72
  4. Step 4: Simplify right side
    144,181,410x = 16,840,850,081,023,566
  5. Step 5: Solve for x
    x = 16,840,850,081,023,566/144,181,410
  6. Step 6: Final answer
    x = 116,803,200.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.