Home / 138,746,180.61-208,132,064.10-45,373,636.46

Finding the Fourth Proportional to 138,746,180.61, 208,132,064.10 and 45,373,636.46

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Solution

The fourth proportional to 138,746,180.61, 208,132,064.10 and 45,373,636.46 is: 68,064,638.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,746,180.61 : 208,132,064.10 = 45,373,636.46 : x
  2. Step 2: Convert to fraction form
    138,746,180.61/208,132,064.10 = 45,373,636.46/x
  3. Step 3: Cross multiply
    138,746,180.61x = 208,132,064.10 × 45,373,636.46
  4. Step 4: Simplify right side
    138,746,180.61x = 9,443,708,611,071,610
  5. Step 5: Solve for x
    x = 9,443,708,611,071,610/138,746,180.61
  6. Step 6: Final answer
    x = 68,064,638.39

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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.