Home / 165,280,657.90-247,920,986.85-147,424,240.30

Finding the Fourth Proportional to 165,280,657.90, 247,920,986.85 and 147,424,240.30

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Solution

The fourth proportional to 165,280,657.90, 247,920,986.85 and 147,424,240.30 is: 221,136,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,280,657.90 : 247,920,986.85 = 147,424,240.30 : x
  2. Step 2: Convert to fraction form
    165,280,657.90/247,920,986.85 = 147,424,240.30/x
  3. Step 3: Cross multiply
    165,280,657.90x = 247,920,986.85 × 147,424,240.30
  4. Step 4: Simplify right side
    165,280,657.90x = 36,549,563,140,787,544
  5. Step 5: Solve for x
    x = 36,549,563,140,787,544/165,280,657.90
  6. Step 6: Final answer
    x = 221,136,360.45

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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.