Home / 260,017,426.80-390,026,140.20-87,436,882.80

Finding the Fourth Proportional to 260,017,426.80, 390,026,140.20 and 87,436,882.80

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Solution

The fourth proportional to 260,017,426.80, 390,026,140.20 and 87,436,882.80 is: 131,155,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,017,426.80 : 390,026,140.20 = 87,436,882.80 : x
  2. Step 2: Convert to fraction form
    260,017,426.80/390,026,140.20 = 87,436,882.80/x
  3. Step 3: Cross multiply
    260,017,426.80x = 390,026,140.20 × 87,436,882.80
  4. Step 4: Simplify right side
    260,017,426.80x = 34,102,669,909,603,768
  5. Step 5: Solve for x
    x = 34,102,669,909,603,768/260,017,426.80
  6. Step 6: Final answer
    x = 131,155,324.20

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1.5x scale

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.