Home / 141,718,813.60-212,578,220.40-129,625,578.40

Finding the Fourth Proportional to 141,718,813.60, 212,578,220.40 and 129,625,578.40

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Solution

The fourth proportional to 141,718,813.60, 212,578,220.40 and 129,625,578.40 is: 194,438,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,718,813.60 : 212,578,220.40 = 129,625,578.40 : x
  2. Step 2: Convert to fraction form
    141,718,813.60/212,578,220.40 = 129,625,578.40/x
  3. Step 3: Cross multiply
    141,718,813.60x = 212,578,220.40 × 129,625,578.40
  4. Step 4: Simplify right side
    141,718,813.60x = 27,555,574,774,592,680
  5. Step 5: Solve for x
    x = 27,555,574,774,592,680/141,718,813.60
  6. Step 6: Final answer
    x = 194,438,367.60

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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.