Home / 168,642,000.90-252,963,001.35-139,944,186.90

Finding the Fourth Proportional to 168,642,000.90, 252,963,001.35 and 139,944,186.90

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Solution

The fourth proportional to 168,642,000.90, 252,963,001.35 and 139,944,186.90 is: 209,916,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,642,000.90 : 252,963,001.35 = 139,944,186.90 : x
  2. Step 2: Convert to fraction form
    168,642,000.90/252,963,001.35 = 139,944,186.90/x
  3. Step 3: Cross multiply
    168,642,000.90x = 252,963,001.35 × 139,944,186.90
  4. Step 4: Simplify right side
    168,642,000.90x = 35,400,701,539,709,352
  5. Step 5: Solve for x
    x = 35,400,701,539,709,352/168,642,000.90
  6. Step 6: Final answer
    x = 209,916,280.35

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Similar ratio
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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.