Home / 345,312,071.88-518,336,836.02-148,672,865.76

Finding the Fourth Proportional to 345,312,071.88, 518,336,836.02 and 148,672,865.76

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Solution

The fourth proportional to 345,312,071.88, 518,336,836.02 and 148,672,865.76 is: 223,168,053.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,312,071.88 : 518,336,836.02 = 148,672,865.76 : x
  2. Step 2: Convert to fraction form
    345,312,071.88/518,336,836.02 = 148,672,865.76/x
  3. Step 3: Cross multiply
    345,312,071.88x = 518,336,836.02 × 148,672,865.76
  4. Step 4: Simplify right side
    345,312,071.88x = 77,062,622,840,064,592
  5. Step 5: Solve for x
    x = 77,062,622,840,064,592/345,312,071.88
  6. Step 6: Final answer
    x = 223,168,053.24

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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.