Home / 209,959,821.20-314,939,731.80-180,734,502.80

Finding the Fourth Proportional to 209,959,821.20, 314,939,731.80 and 180,734,502.80

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Solution

The fourth proportional to 209,959,821.20, 314,939,731.80 and 180,734,502.80 is: 271,101,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,959,821.20 : 314,939,731.80 = 180,734,502.80 : x
  2. Step 2: Convert to fraction form
    209,959,821.20/314,939,731.80 = 180,734,502.80/x
  3. Step 3: Cross multiply
    209,959,821.20x = 314,939,731.80 × 180,734,502.80
  4. Step 4: Simplify right side
    209,959,821.20x = 56,920,475,838,838,352
  5. Step 5: Solve for x
    x = 56,920,475,838,838,352/209,959,821.20
  6. Step 6: Final answer
    x = 271,101,754.20

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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.