Home / 145,375,041.20-218,365,825.80-122,700,225.20

Finding the Fourth Proportional to 145,375,041.20, 218,365,825.80 and 122,700,225.20

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Solution

The fourth proportional to 145,375,041.20, 218,365,825.80 and 122,700,225.20 is: 184,306,300.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,375,041.20 : 218,365,825.80 = 122,700,225.20 : x
  2. Step 2: Convert to fraction form
    145,375,041.20/218,365,825.80 = 122,700,225.20/x
  3. Step 3: Cross multiply
    145,375,041.20x = 218,365,825.80 × 122,700,225.20
  4. Step 4: Simplify right side
    145,375,041.20x = 26,793,536,001,643,972
  5. Step 5: Solve for x
    x = 26,793,536,001,643,972/145,375,041.20
  6. Step 6: Final answer
    x = 184,306,300.31

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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.