Home / 66,432,186.80-99,648,280.20-60,480,047.60

Finding the Fourth Proportional to 66,432,186.80, 99,648,280.20 and 60,480,047.60

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Solution

The fourth proportional to 66,432,186.80, 99,648,280.20 and 60,480,047.60 is: 90,720,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432,186.80 : 99,648,280.20 = 60,480,047.60 : x
  2. Step 2: Convert to fraction form
    66,432,186.80/99,648,280.20 = 60,480,047.60/x
  3. Step 3: Cross multiply
    66,432,186.80x = 99,648,280.20 × 60,480,047.60
  4. Step 4: Simplify right side
    66,432,186.80x = 6,026,732,729,754,138
  5. Step 5: Solve for x
    x = 6,026,732,729,754,138/66,432,186.80
  6. Step 6: Final answer
    x = 90,720,071.40

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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.