Home / 83,487,617.84-115,199,919.70-47,723,548.05

Finding the Fourth Proportional to 83,487,617.84, 115,199,919.70 and 47,723,548.05

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Solution

The fourth proportional to 83,487,617.84, 115,199,919.70 and 47,723,548.05 is: 65,851,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,487,617.84 : 115,199,919.70 = 47,723,548.05 : x
  2. Step 2: Convert to fraction form
    83,487,617.84/115,199,919.70 = 47,723,548.05/x
  3. Step 3: Cross multiply
    83,487,617.84x = 115,199,919.70 × 47,723,548.05
  4. Step 4: Simplify right side
    83,487,617.84x = 5,497,748,903,039,783
  5. Step 5: Solve for x
    x = 5,497,748,903,039,783/83,487,617.84
  6. Step 6: Final answer
    x = 65,851,069.24

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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.