Home / 165,280,607.85-247,920,911.78-147,424,190.25

Finding the Fourth Proportional to 165,280,607.85, 247,920,911.78 and 147,424,190.25

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Solution

The fourth proportional to 165,280,607.85, 247,920,911.78 and 147,424,190.25 is: 221,136,285.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,280,607.85 : 247,920,911.78 = 147,424,190.25 : x
  2. Step 2: Convert to fraction form
    165,280,607.85/247,920,911.78 = 147,424,190.25/x
  3. Step 3: Cross multiply
    165,280,607.85x = 247,920,911.78 × 147,424,190.25
  4. Step 4: Simplify right side
    165,280,607.85x = 36,549,539,665,208,184
  5. Step 5: Solve for x
    x = 36,549,539,665,208,184/165,280,607.85
  6. Step 6: Final answer
    x = 221,136,285.38

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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.