Home / 140,703,876.94-194,171,368.61-77,984,024.21

Finding the Fourth Proportional to 140,703,876.94, 194,171,368.61 and 77,984,024.21

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Solution

The fourth proportional to 140,703,876.94, 194,171,368.61 and 77,984,024.21 is: 107,617,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,703,876.94 : 194,171,368.61 = 77,984,024.21 : x
  2. Step 2: Convert to fraction form
    140,703,876.94/194,171,368.61 = 77,984,024.21/x
  3. Step 3: Cross multiply
    140,703,876.94x = 194,171,368.61 × 77,984,024.21
  4. Step 4: Simplify right side
    140,703,876.94x = 15,142,264,709,210,296
  5. Step 5: Solve for x
    x = 15,142,264,709,210,296/140,703,876.94
  6. Step 6: Final answer
    x = 107,617,963.62

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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.