Home / 140,736,006.20-211,104,009.30-86,988,294.20

Finding the Fourth Proportional to 140,736,006.20, 211,104,009.30 and 86,988,294.20

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Solution

The fourth proportional to 140,736,006.20, 211,104,009.30 and 86,988,294.20 is: 130,482,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,736,006.20 : 211,104,009.30 = 86,988,294.20 : x
  2. Step 2: Convert to fraction form
    140,736,006.20/211,104,009.30 = 86,988,294.20/x
  3. Step 3: Cross multiply
    140,736,006.20x = 211,104,009.30 × 86,988,294.20
  4. Step 4: Simplify right side
    140,736,006.20x = 18,363,577,667,787,936
  5. Step 5: Solve for x
    x = 18,363,577,667,787,936/140,736,006.20
  6. Step 6: Final answer
    x = 130,482,441.30

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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.