Home / 129,502,421.40-194,249,139.30-32,458,978.20

Finding the Fourth Proportional to 129,502,421.40, 194,249,139.30 and 32,458,978.20

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Solution

The fourth proportional to 129,502,421.40, 194,249,139.30 and 32,458,978.20 is: 48,687,341.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,502,421.40 : 194,249,139.30 = 32,458,978.20 : x
  2. Step 2: Convert to fraction form
    129,502,421.40/194,249,139.30 = 32,458,978.20/x
  3. Step 3: Cross multiply
    129,502,421.40x = 194,249,139.30 × 32,458,978.20
  4. Step 4: Simplify right side
    129,502,421.40x = 6,305,128,577,907,464
  5. Step 5: Solve for x
    x = 6,305,128,577,907,464/129,502,421.40
  6. Step 6: Final answer
    x = 48,687,341.21

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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.