Home / 193,502,711.04-267,039,857.28-105,399,356.16

Finding the Fourth Proportional to 193,502,711.04, 267,039,857.28 and 105,399,356.16

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Solution

The fourth proportional to 193,502,711.04, 267,039,857.28 and 105,399,356.16 is: 145,454,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,502,711.04 : 267,039,857.28 = 105,399,356.16 : x
  2. Step 2: Convert to fraction form
    193,502,711.04/267,039,857.28 = 105,399,356.16/x
  3. Step 3: Cross multiply
    193,502,711.04x = 267,039,857.28 × 105,399,356.16
  4. Step 4: Simplify right side
    193,502,711.04x = 28,145,829,026,370,288
  5. Step 5: Solve for x
    x = 28,145,829,026,370,288/193,502,711.04
  6. Step 6: Final answer
    x = 145,454,442.86

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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.