Home / 231,820,123.20-347,730,184.80-173,999,342.40

Finding the Fourth Proportional to 231,820,123.20, 347,730,184.80 and 173,999,342.40

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Solution

The fourth proportional to 231,820,123.20, 347,730,184.80 and 173,999,342.40 is: 260,999,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,820,123.20 : 347,730,184.80 = 173,999,342.40 : x
  2. Step 2: Convert to fraction form
    231,820,123.20/347,730,184.80 = 173,999,342.40/x
  3. Step 3: Cross multiply
    231,820,123.20x = 347,730,184.80 × 173,999,342.40
  4. Step 4: Simplify right side
    231,820,123.20x = 60,504,823,487,830,480
  5. Step 5: Solve for x
    x = 60,504,823,487,830,480/231,820,123.20
  6. Step 6: Final answer
    x = 260,999,013.60

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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.