Home / 108,257,561.40-162,386,342.10-105,068,915.40

Finding the Fourth Proportional to 108,257,561.40, 162,386,342.10 and 105,068,915.40

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Solution

The fourth proportional to 108,257,561.40, 162,386,342.10 and 105,068,915.40 is: 157,603,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,257,561.40 : 162,386,342.10 = 105,068,915.40 : x
  2. Step 2: Convert to fraction form
    108,257,561.40/162,386,342.10 = 105,068,915.40/x
  3. Step 3: Cross multiply
    108,257,561.40x = 162,386,342.10 × 105,068,915.40
  4. Step 4: Simplify right side
    108,257,561.40x = 17,061,756,840,220,358
  5. Step 5: Solve for x
    x = 17,061,756,840,220,358/108,257,561.40
  6. Step 6: Final answer
    x = 157,603,373.10

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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.