Home / 141,962,475.60-212,943,713.40-90,944,139.60

Finding the Fourth Proportional to 141,962,475.60, 212,943,713.40 and 90,944,139.60

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Solution

The fourth proportional to 141,962,475.60, 212,943,713.40 and 90,944,139.60 is: 136,416,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,962,475.60 : 212,943,713.40 = 90,944,139.60 : x
  2. Step 2: Convert to fraction form
    141,962,475.60/212,943,713.40 = 90,944,139.60/x
  3. Step 3: Cross multiply
    141,962,475.60x = 212,943,713.40 × 90,944,139.60
  4. Step 4: Simplify right side
    141,962,475.60x = 19,365,982,798,391,988
  5. Step 5: Solve for x
    x = 19,365,982,798,391,988/141,962,475.60
  6. Step 6: Final answer
    x = 136,416,209.40

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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.