Home / 115,840,931.20-173,710,075.20-39,143,132.80

Finding the Fourth Proportional to 115,840,931.20, 173,710,075.20 and 39,143,132.80

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Solution

The fourth proportional to 115,840,931.20, 173,710,075.20 and 39,143,132.80 is: 58,697,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,840,931.20 : 173,710,075.20 = 39,143,132.80 : x
  2. Step 2: Convert to fraction form
    115,840,931.20/173,710,075.20 = 39,143,132.80/x
  3. Step 3: Cross multiply
    115,840,931.20x = 173,710,075.20 × 39,143,132.80
  4. Step 4: Simplify right side
    115,840,931.20x = 6,799,556,542,251,586
  5. Step 5: Solve for x
    x = 6,799,556,542,251,586/115,840,931.20
  6. Step 6: Final answer
    x = 58,697,357.42

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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.