Home / 176,277,943.35-243,007,177.55-123,189,828.93

Finding the Fourth Proportional to 176,277,943.35, 243,007,177.55 and 123,189,828.93

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Solution

The fourth proportional to 176,277,943.35, 243,007,177.55 and 123,189,828.93 is: 169,822,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,277,943.35 : 243,007,177.55 = 123,189,828.93 : x
  2. Step 2: Convert to fraction form
    176,277,943.35/243,007,177.55 = 123,189,828.93/x
  3. Step 3: Cross multiply
    176,277,943.35x = 243,007,177.55 × 123,189,828.93
  4. Step 4: Simplify right side
    176,277,943.35x = 29,936,012,630,530,688
  5. Step 5: Solve for x
    x = 29,936,012,630,530,688/176,277,943.35
  6. Step 6: Final answer
    x = 169,822,792.70

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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.