Home / 120,830,280.30-181,245,420.45-101,934,600.30

Finding the Fourth Proportional to 120,830,280.30, 181,245,420.45 and 101,934,600.30

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Solution

The fourth proportional to 120,830,280.30, 181,245,420.45 and 101,934,600.30 is: 152,901,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,830,280.30 : 181,245,420.45 = 101,934,600.30 : x
  2. Step 2: Convert to fraction form
    120,830,280.30/181,245,420.45 = 101,934,600.30/x
  3. Step 3: Cross multiply
    120,830,280.30x = 181,245,420.45 × 101,934,600.30
  4. Step 4: Simplify right side
    120,830,280.30x = 18,475,179,489,776,196
  5. Step 5: Solve for x
    x = 18,475,179,489,776,196/120,830,280.30
  6. Step 6: Final answer
    x = 152,901,900.45

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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.