Home / 145,161,728.40-217,490,650.20-94,017,421.20

Finding the Fourth Proportional to 145,161,728.40, 217,490,650.20 and 94,017,421.20

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Solution

The fourth proportional to 145,161,728.40, 217,490,650.20 and 94,017,421.20 is: 140,862,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,161,728.40 : 217,490,650.20 = 94,017,421.20 : x
  2. Step 2: Convert to fraction form
    145,161,728.40/217,490,650.20 = 94,017,421.20/x
  3. Step 3: Cross multiply
    145,161,728.40x = 217,490,650.20 × 94,017,421.20
  4. Step 4: Simplify right side
    145,161,728.40x = 20,447,910,066,915,264
  5. Step 5: Solve for x
    x = 20,447,910,066,915,264/145,161,728.40
  6. Step 6: Final answer
    x = 140,862,955.36

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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.