Home / 78,804,549.30-118,206,823.95-48,571,461.30

Finding the Fourth Proportional to 78,804,549.30, 118,206,823.95 and 48,571,461.30

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Solution

The fourth proportional to 78,804,549.30, 118,206,823.95 and 48,571,461.30 is: 72,857,191.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,804,549.30 : 118,206,823.95 = 48,571,461.30 : x
  2. Step 2: Convert to fraction form
    78,804,549.30/118,206,823.95 = 48,571,461.30/x
  3. Step 3: Cross multiply
    78,804,549.30x = 118,206,823.95 × 48,571,461.30
  4. Step 4: Simplify right side
    78,804,549.30x = 5,741,478,174,883,338
  5. Step 5: Solve for x
    x = 5,741,478,174,883,338/78,804,549.30
  6. Step 6: Final answer
    x = 72,857,191.95

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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.