Home / 121,323,209.60-181,984,814.40-67,470,521.60

Finding the Fourth Proportional to 121,323,209.60, 181,984,814.40 and 67,470,521.60

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Solution

The fourth proportional to 121,323,209.60, 181,984,814.40 and 67,470,521.60 is: 101,205,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,323,209.60 : 181,984,814.40 = 67,470,521.60 : x
  2. Step 2: Convert to fraction form
    121,323,209.60/181,984,814.40 = 67,470,521.60/x
  3. Step 3: Cross multiply
    121,323,209.60x = 181,984,814.40 × 67,470,521.60
  4. Step 4: Simplify right side
    121,323,209.60x = 12,278,610,350,847,190
  5. Step 5: Solve for x
    x = 12,278,610,350,847,190/121,323,209.60
  6. Step 6: Final answer
    x = 101,205,782.40

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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.