Home / 128,260,631.16-176,994,927.33-69,522,035.13

Finding the Fourth Proportional to 128,260,631.16, 176,994,927.33 and 69,522,035.13

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Solution

The fourth proportional to 128,260,631.16, 176,994,927.33 and 69,522,035.13 is: 95,937,837.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,260,631.16 : 176,994,927.33 = 69,522,035.13 : x
  2. Step 2: Convert to fraction form
    128,260,631.16/176,994,927.33 = 69,522,035.13/x
  3. Step 3: Cross multiply
    128,260,631.16x = 176,994,927.33 × 69,522,035.13
  4. Step 4: Simplify right side
    128,260,631.16x = 12,305,047,555,668,058
  5. Step 5: Solve for x
    x = 12,305,047,555,668,058/128,260,631.16
  6. Step 6: Final answer
    x = 95,937,837.23

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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.