Home / 172,651,901.10-258,977,851.65-149,473,200.30

Finding the Fourth Proportional to 172,651,901.10, 258,977,851.65 and 149,473,200.30

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Solution

The fourth proportional to 172,651,901.10, 258,977,851.65 and 149,473,200.30 is: 224,209,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,651,901.10 : 258,977,851.65 = 149,473,200.30 : x
  2. Step 2: Convert to fraction form
    172,651,901.10/258,977,851.65 = 149,473,200.30/x
  3. Step 3: Cross multiply
    172,651,901.10x = 258,977,851.65 × 149,473,200.30
  4. Step 4: Simplify right side
    172,651,901.10x = 38,710,248,292,944,136
  5. Step 5: Solve for x
    x = 38,710,248,292,944,136/172,651,901.10
  6. Step 6: Final answer
    x = 224,209,800.45

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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.