Home / 129,384,166.40-194,020,262.40-52,681,702.40

Finding the Fourth Proportional to 129,384,166.40, 194,020,262.40 and 52,681,702.40

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Solution

The fourth proportional to 129,384,166.40, 194,020,262.40 and 52,681,702.40 is: 78,999,757.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,384,166.40 : 194,020,262.40 = 52,681,702.40 : x
  2. Step 2: Convert to fraction form
    129,384,166.40/194,020,262.40 = 52,681,702.40/x
  3. Step 3: Cross multiply
    129,384,166.40x = 194,020,262.40 × 52,681,702.40
  4. Step 4: Simplify right side
    129,384,166.40x = 10,221,317,723,326,710
  5. Step 5: Solve for x
    x = 10,221,317,723,326,710/129,384,166.40
  6. Step 6: Final answer
    x = 78,999,757.14

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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.