Home / 105,487,472.64-158,473,715.20-74,434,598.40

Finding the Fourth Proportional to 105,487,472.64, 158,473,715.20 and 74,434,598.40

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Solution

The fourth proportional to 105,487,472.64, 158,473,715.20 and 74,434,598.40 is: 111,823,016.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,487,472.64 : 158,473,715.20 = 74,434,598.40 : x
  2. Step 2: Convert to fraction form
    105,487,472.64/158,473,715.20 = 74,434,598.40/x
  3. Step 3: Cross multiply
    105,487,472.64x = 158,473,715.20 × 74,434,598.40
  4. Step 4: Simplify right side
    105,487,472.64x = 11,795,927,347,867,976
  5. Step 5: Solve for x
    x = 11,795,927,347,867,976/105,487,472.64
  6. Step 6: Final answer
    x = 111,823,016.07

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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.