Home / 141,218,547.50-194,876,625.05-77,638,423.75

Finding the Fourth Proportional to 141,218,547.50, 194,876,625.05 and 77,638,423.75

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Solution

The fourth proportional to 141,218,547.50, 194,876,625.05 and 77,638,423.75 is: 107,138,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,218,547.50 : 194,876,625.05 = 77,638,423.75 : x
  2. Step 2: Convert to fraction form
    141,218,547.50/194,876,625.05 = 77,638,423.75/x
  3. Step 3: Cross multiply
    141,218,547.50x = 194,876,625.05 × 77,638,423.75
  4. Step 4: Simplify right side
    141,218,547.50x = 15,129,913,994,017,526
  5. Step 5: Solve for x
    x = 15,129,913,994,017,526/141,218,547.50
  6. Step 6: Final answer
    x = 107,138,292.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.