Home / 132,931,527.92-199,426,936.32-40,824,561.13

Finding the Fourth Proportional to 132,931,527.92, 199,426,936.32 and 40,824,561.13

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Solution

The fourth proportional to 132,931,527.92, 199,426,936.32 and 40,824,561.13 is: 61,245,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,931,527.92 : 199,426,936.32 = 40,824,561.13 : x
  2. Step 2: Convert to fraction form
    132,931,527.92/199,426,936.32 = 40,824,561.13/x
  3. Step 3: Cross multiply
    132,931,527.92x = 199,426,936.32 × 40,824,561.13
  4. Step 4: Simplify right side
    132,931,527.92x = 8,141,517,152,911,374
  5. Step 5: Solve for x
    x = 8,141,517,152,911,374/132,931,527.92
  6. Step 6: Final answer
    x = 61,245,945.79

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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.