Home / 140,703,876.75-194,171,368.32-77,984,024.01

Finding the Fourth Proportional to 140,703,876.75, 194,171,368.32 and 77,984,024.01

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Solution

The fourth proportional to 140,703,876.75, 194,171,368.32 and 77,984,024.01 is: 107,617,963.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,703,876.75 : 194,171,368.32 = 77,984,024.01 : x
  2. Step 2: Convert to fraction form
    140,703,876.75/194,171,368.32 = 77,984,024.01/x
  3. Step 3: Cross multiply
    140,703,876.75x = 194,171,368.32 × 77,984,024.01
  4. Step 4: Simplify right side
    140,703,876.75x = 15,142,264,648,393,290
  5. Step 5: Solve for x
    x = 15,142,264,648,393,290/140,703,876.75
  6. Step 6: Final answer
    x = 107,617,963.33

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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.