Home / 127,883,541.83-176,472,041.80-72,125,629.65

Finding the Fourth Proportional to 127,883,541.83, 176,472,041.80 and 72,125,629.65

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Solution

The fourth proportional to 127,883,541.83, 176,472,041.80 and 72,125,629.65 is: 99,529,282.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,883,541.83 : 176,472,041.80 = 72,125,629.65 : x
  2. Step 2: Convert to fraction form
    127,883,541.83/176,472,041.80 = 72,125,629.65/x
  3. Step 3: Cross multiply
    127,883,541.83x = 176,472,041.80 × 72,125,629.65
  4. Step 4: Simplify right side
    127,883,541.83x = 12,728,157,129,383,446
  5. Step 5: Solve for x
    x = 12,728,157,129,383,446/127,883,541.83
  6. Step 6: Final answer
    x = 99,529,282.25

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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.