Home / 149,720,209.40-224,580,314.10-127,801,220.60

Finding the Fourth Proportional to 149,720,209.40, 224,580,314.10 and 127,801,220.60

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Solution

The fourth proportional to 149,720,209.40, 224,580,314.10 and 127,801,220.60 is: 191,701,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,720,209.40 : 224,580,314.10 = 127,801,220.60 : x
  2. Step 2: Convert to fraction form
    149,720,209.40/224,580,314.10 = 127,801,220.60/x
  3. Step 3: Cross multiply
    149,720,209.40x = 224,580,314.10 × 127,801,220.60
  4. Step 4: Simplify right side
    149,720,209.40x = 28,701,638,264,711,388
  5. Step 5: Solve for x
    x = 28,701,638,264,711,388/149,720,209.40
  6. Step 6: Final answer
    x = 191,701,830.90

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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.