Home / 140,591,781.80-211,013,643.90-121,444,159.40

Finding the Fourth Proportional to 140,591,781.80, 211,013,643.90 and 121,444,159.40

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Solution

The fourth proportional to 140,591,781.80, 211,013,643.90 and 121,444,159.40 is: 182,275,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,591,781.80 : 211,013,643.90 = 121,444,159.40 : x
  2. Step 2: Convert to fraction form
    140,591,781.80/211,013,643.90 = 121,444,159.40/x
  3. Step 3: Cross multiply
    140,591,781.80x = 211,013,643.90 × 121,444,159.40
  4. Step 4: Simplify right side
    140,591,781.80x = 25,626,374,605,366,440
  5. Step 5: Solve for x
    x = 25,626,374,605,366,440/140,591,781.80
  6. Step 6: Final answer
    x = 182,275,053.90

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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.