Home / 57,216,257.80-85,824,386.70-53,409,128.20

Finding the Fourth Proportional to 57,216,257.80, 85,824,386.70 and 53,409,128.20

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Solution

The fourth proportional to 57,216,257.80, 85,824,386.70 and 53,409,128.20 is: 80,113,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,216,257.80 : 85,824,386.70 = 53,409,128.20 : x
  2. Step 2: Convert to fraction form
    57,216,257.80/85,824,386.70 = 53,409,128.20/x
  3. Step 3: Cross multiply
    57,216,257.80x = 85,824,386.70 × 53,409,128.20
  4. Step 4: Simplify right side
    57,216,257.80x = 4,583,805,671,946,675
  5. Step 5: Solve for x
    x = 4,583,805,671,946,675/57,216,257.80
  6. Step 6: Final answer
    x = 80,113,692.30

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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.