Home / 165,280,271.45-247,920,407.18-155,202,575.45

Finding the Fourth Proportional to 165,280,271.45, 247,920,407.18 and 155,202,575.45

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Solution

The fourth proportional to 165,280,271.45, 247,920,407.18 and 155,202,575.45 is: 232,803,863.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,280,271.45 : 247,920,407.18 = 155,202,575.45 : x
  2. Step 2: Convert to fraction form
    165,280,271.45/247,920,407.18 = 155,202,575.45/x
  3. Step 3: Cross multiply
    165,280,271.45x = 247,920,407.18 × 155,202,575.45
  4. Step 4: Simplify right side
    165,280,271.45x = 38,477,885,700,948,672
  5. Step 5: Solve for x
    x = 38,477,885,700,948,672/165,280,271.45
  6. Step 6: Final answer
    x = 232,803,863.18

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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.