Home / 199,392,130.40-299,088,195.60-91,896,706.40

Finding the Fourth Proportional to 199,392,130.40, 299,088,195.60 and 91,896,706.40

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Solution

The fourth proportional to 199,392,130.40, 299,088,195.60 and 91,896,706.40 is: 137,845,059.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,392,130.40 : 299,088,195.60 = 91,896,706.40 : x
  2. Step 2: Convert to fraction form
    199,392,130.40/299,088,195.60 = 91,896,706.40/x
  3. Step 3: Cross multiply
    199,392,130.40x = 299,088,195.60 × 91,896,706.40
  4. Step 4: Simplify right side
    199,392,130.40x = 27,485,220,098,758,976
  5. Step 5: Solve for x
    x = 27,485,220,098,758,976/199,392,130.40
  6. Step 6: Final answer
    x = 137,845,059.60

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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.