Home / 129,032,956.20-193,549,434.30-97,182,460.20

Finding the Fourth Proportional to 129,032,956.20, 193,549,434.30 and 97,182,460.20

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Solution

The fourth proportional to 129,032,956.20, 193,549,434.30 and 97,182,460.20 is: 145,773,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,032,956.20 : 193,549,434.30 = 97,182,460.20 : x
  2. Step 2: Convert to fraction form
    129,032,956.20/193,549,434.30 = 97,182,460.20/x
  3. Step 3: Cross multiply
    129,032,956.20x = 193,549,434.30 × 97,182,460.20
  4. Step 4: Simplify right side
    129,032,956.20x = 18,809,610,195,592,268
  5. Step 5: Solve for x
    x = 18,809,610,195,592,268/129,032,956.20
  6. Step 6: Final answer
    x = 145,773,690.30

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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.