Home / 78,996,588.12-109,037,204.33-45,963,217.94

Finding the Fourth Proportional to 78,996,588.12, 109,037,204.33 and 45,963,217.94

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Solution

The fourth proportional to 78,996,588.12, 109,037,204.33 and 45,963,217.94 is: 63,441,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,996,588.12 : 109,037,204.33 = 45,963,217.94 : x
  2. Step 2: Convert to fraction form
    78,996,588.12/109,037,204.33 = 45,963,217.94/x
  3. Step 3: Cross multiply
    78,996,588.12x = 109,037,204.33 × 45,963,217.94
  4. Step 4: Simplify right side
    78,996,588.12x = 5,011,700,785,413,100
  5. Step 5: Solve for x
    x = 5,011,700,785,413,100/78,996,588.12
  6. Step 6: Final answer
    x = 63,441,990.40

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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.