Home / 57,968,139.40-86,952,209.10-55,480,208.20

Finding the Fourth Proportional to 57,968,139.40, 86,952,209.10 and 55,480,208.20

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Solution

The fourth proportional to 57,968,139.40, 86,952,209.10 and 55,480,208.20 is: 83,220,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,968,139.40 : 86,952,209.10 = 55,480,208.20 : x
  2. Step 2: Convert to fraction form
    57,968,139.40/86,952,209.10 = 55,480,208.20/x
  3. Step 3: Cross multiply
    57,968,139.40x = 86,952,209.10 × 55,480,208.20
  4. Step 4: Simplify right side
    57,968,139.40x = 4,824,126,664,317,935
  5. Step 5: Solve for x
    x = 4,824,126,664,317,935/57,968,139.40
  6. Step 6: Final answer
    x = 83,220,312.30

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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.