Home / 52,209,862.20-78,240,143.70-38,455,673.40

Finding the Fourth Proportional to 52,209,862.20, 78,240,143.70 and 38,455,673.40

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Solution

The fourth proportional to 52,209,862.20, 78,240,143.70 and 38,455,673.40 is: 57,628,526.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,209,862.20 : 78,240,143.70 = 38,455,673.40 : x
  2. Step 2: Convert to fraction form
    52,209,862.20/78,240,143.70 = 38,455,673.40/x
  3. Step 3: Cross multiply
    52,209,862.20x = 78,240,143.70 × 38,455,673.40
  4. Step 4: Simplify right side
    52,209,862.20x = 3,008,777,412,896,267.50
  5. Step 5: Solve for x
    x = 3,008,777,412,896,267.50/52,209,862.20
  6. Step 6: Final answer
    x = 57,628,526.22

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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.