Home / 127,868,157.24-176,459,991.66-72,862,841.40

Finding the Fourth Proportional to 127,868,157.24, 176,459,991.66 and 72,862,841.40

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Solution

The fourth proportional to 127,868,157.24, 176,459,991.66 and 72,862,841.40 is: 100,551,823.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,868,157.24 : 176,459,991.66 = 72,862,841.40 : x
  2. Step 2: Convert to fraction form
    127,868,157.24/176,459,991.66 = 72,862,841.40/x
  3. Step 3: Cross multiply
    127,868,157.24x = 176,459,991.66 × 72,862,841.40
  4. Step 4: Simplify right side
    127,868,157.24x = 12,857,376,385,767,904
  5. Step 5: Solve for x
    x = 12,857,376,385,767,904/127,868,157.24
  6. Step 6: Final answer
    x = 100,551,823.56

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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.