Home / 90,996,089.40-136,210,698.90-65,486,921.40

Finding the Fourth Proportional to 90,996,089.40, 136,210,698.90 and 65,486,921.40

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Solution

The fourth proportional to 90,996,089.40, 136,210,698.90 and 65,486,921.40 is: 98,026,403.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,996,089.40 : 136,210,698.90 = 65,486,921.40 : x
  2. Step 2: Convert to fraction form
    90,996,089.40/136,210,698.90 = 65,486,921.40/x
  3. Step 3: Cross multiply
    90,996,089.40x = 136,210,698.90 × 65,486,921.40
  4. Step 4: Simplify right side
    90,996,089.40x = 8,920,019,332,703,367
  5. Step 5: Solve for x
    x = 8,920,019,332,703,367/90,996,089.40
  6. Step 6: Final answer
    x = 98,026,403.02

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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.