Home / 260,730,452.40-390,528,808.20-158,315,866.80

Finding the Fourth Proportional to 260,730,452.40, 390,528,808.20 and 158,315,866.80

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Solution

The fourth proportional to 260,730,452.40, 390,528,808.20 and 158,315,866.80 is: 237,129,595.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,730,452.40 : 390,528,808.20 = 158,315,866.80 : x
  2. Step 2: Convert to fraction form
    260,730,452.40/390,528,808.20 = 158,315,866.80/x
  3. Step 3: Cross multiply
    260,730,452.40x = 390,528,808.20 × 158,315,866.80
  4. Step 4: Simplify right side
    260,730,452.40x = 61,826,906,780,553,952
  5. Step 5: Solve for x
    x = 61,826,906,780,553,952/260,730,452.40
  6. Step 6: Final answer
    x = 237,129,595.76

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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.