Home / 113,813,651.04-170,720,223.21-87,943,569.72

Finding the Fourth Proportional to 113,813,651.04, 170,720,223.21 and 87,943,569.72

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Solution

The fourth proportional to 113,813,651.04, 170,720,223.21 and 87,943,569.72 is: 131,915,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,813,651.04 : 170,720,223.21 = 87,943,569.72 : x
  2. Step 2: Convert to fraction form
    113,813,651.04/170,720,223.21 = 87,943,569.72/x
  3. Step 3: Cross multiply
    113,813,651.04x = 170,720,223.21 × 87,943,569.72
  4. Step 4: Simplify right side
    113,813,651.04x = 15,013,745,852,482,598
  5. Step 5: Solve for x
    x = 15,013,745,852,482,598/113,813,651.04
  6. Step 6: Final answer
    x = 131,915,158.82

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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.