Home / 145,156,749.40-218,059,527.30-121,268,877.40

Finding the Fourth Proportional to 145,156,749.40, 218,059,527.30 and 121,268,877.40

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Solution

The fourth proportional to 145,156,749.40, 218,059,527.30 and 121,268,877.40 is: 182,174,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,749.40 : 218,059,527.30 = 121,268,877.40 : x
  2. Step 2: Convert to fraction form
    145,156,749.40/218,059,527.30 = 121,268,877.40/x
  3. Step 3: Cross multiply
    145,156,749.40x = 218,059,527.30 × 121,268,877.40
  4. Step 4: Simplify right side
    145,156,749.40x = 26,443,834,082,045,656
  5. Step 5: Solve for x
    x = 26,443,834,082,045,656/145,156,749.40
  6. Step 6: Final answer
    x = 182,174,333.55

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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.