Home / 130,779,264.17-196,193,032.47-54,108,271.10

Finding the Fourth Proportional to 130,779,264.17, 196,193,032.47 and 54,108,271.10

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Solution

The fourth proportional to 130,779,264.17, 196,193,032.47 and 54,108,271.10 is: 81,172,392.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,779,264.17 : 196,193,032.47 = 54,108,271.10 : x
  2. Step 2: Convert to fraction form
    130,779,264.17/196,193,032.47 = 54,108,271.10/x
  3. Step 3: Cross multiply
    130,779,264.17x = 196,193,032.47 × 54,108,271.10
  4. Step 4: Simplify right side
    130,779,264.17x = 10,615,665,789,308,344
  5. Step 5: Solve for x
    x = 10,615,665,789,308,344/130,779,264.17
  6. Step 6: Final answer
    x = 81,172,392.71

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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.