Home / 140,895,878.40-211,542,883.20-87,148,166.40

Finding the Fourth Proportional to 140,895,878.40, 211,542,883.20 and 87,148,166.40

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Solution

The fourth proportional to 140,895,878.40, 211,542,883.20 and 87,148,166.40 is: 130,845,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,895,878.40 : 211,542,883.20 = 87,148,166.40 : x
  2. Step 2: Convert to fraction form
    140,895,878.40/211,542,883.20 = 87,148,166.40/x
  3. Step 3: Cross multiply
    140,895,878.40x = 211,542,883.20 × 87,148,166.40
  4. Step 4: Simplify right side
    140,895,878.40x = 18,435,574,385,849,364
  5. Step 5: Solve for x
    x = 18,435,574,385,849,364/140,895,878.40
  6. Step 6: Final answer
    x = 130,845,377.42

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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.