Home / 120,798,005.80-181,197,008.70-60,331,829.80

Finding the Fourth Proportional to 120,798,005.80, 181,197,008.70 and 60,331,829.80

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Solution

The fourth proportional to 120,798,005.80, 181,197,008.70 and 60,331,829.80 is: 90,497,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,798,005.80 : 181,197,008.70 = 60,331,829.80 : x
  2. Step 2: Convert to fraction form
    120,798,005.80/181,197,008.70 = 60,331,829.80/x
  3. Step 3: Cross multiply
    120,798,005.80x = 181,197,008.70 × 60,331,829.80
  4. Step 4: Simplify right side
    120,798,005.80x = 10,931,947,089,157,518
  5. Step 5: Solve for x
    x = 10,931,947,089,157,518/120,798,005.80
  6. Step 6: Final answer
    x = 90,497,744.70

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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.