Home / 122,474,820.90-183,712,231.35-81,660,152.10

Finding the Fourth Proportional to 122,474,820.90, 183,712,231.35 and 81,660,152.10

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Solution

The fourth proportional to 122,474,820.90, 183,712,231.35 and 81,660,152.10 is: 122,490,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,474,820.90 : 183,712,231.35 = 81,660,152.10 : x
  2. Step 2: Convert to fraction form
    122,474,820.90/183,712,231.35 = 81,660,152.10/x
  3. Step 3: Cross multiply
    122,474,820.90x = 183,712,231.35 × 81,660,152.10
  4. Step 4: Simplify right side
    122,474,820.90x = 15,001,968,754,671,386
  5. Step 5: Solve for x
    x = 15,001,968,754,671,386/122,474,820.90
  6. Step 6: Final answer
    x = 122,490,228.15

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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.