Home / 93,129,378.84-128,521,456.70-53,444,169.78

Finding the Fourth Proportional to 93,129,378.84, 128,521,456.70 and 53,444,169.78

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Solution

The fourth proportional to 93,129,378.84, 128,521,456.70 and 53,444,169.78 is: 73,754,626.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,129,378.84 : 128,521,456.70 = 53,444,169.78 : x
  2. Step 2: Convert to fraction form
    93,129,378.84/128,521,456.70 = 53,444,169.78/x
  3. Step 3: Cross multiply
    93,129,378.84x = 128,521,456.70 × 53,444,169.78
  4. Step 4: Simplify right side
    93,129,378.84x = 6,868,722,552,247,719
  5. Step 5: Solve for x
    x = 6,868,722,552,247,719/93,129,378.84
  6. Step 6: Final answer
    x = 73,754,626.50

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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.