Home / 127,822,440.30-191,733,660.45-88,708,382.70

Finding the Fourth Proportional to 127,822,440.30, 191,733,660.45 and 88,708,382.70

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Solution

The fourth proportional to 127,822,440.30, 191,733,660.45 and 88,708,382.70 is: 133,062,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,822,440.30 : 191,733,660.45 = 88,708,382.70 : x
  2. Step 2: Convert to fraction form
    127,822,440.30/191,733,660.45 = 88,708,382.70/x
  3. Step 3: Cross multiply
    127,822,440.30x = 191,733,660.45 × 88,708,382.70
  4. Step 4: Simplify right side
    127,822,440.30x = 17,008,382,927,670,454
  5. Step 5: Solve for x
    x = 17,008,382,927,670,454/127,822,440.30
  6. Step 6: Final answer
    x = 133,062,574.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.