Home / 129,032,627.20-193,349,875.20-111,912,985.60

Finding the Fourth Proportional to 129,032,627.20, 193,349,875.20 and 111,912,985.60

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Solution

The fourth proportional to 129,032,627.20, 193,349,875.20 and 111,912,985.60 is: 167,696,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,032,627.20 : 193,349,875.20 = 111,912,985.60 : x
  2. Step 2: Convert to fraction form
    129,032,627.20/193,349,875.20 = 111,912,985.60/x
  3. Step 3: Cross multiply
    129,032,627.20x = 193,349,875.20 × 111,912,985.60
  4. Step 4: Simplify right side
    129,032,627.20x = 21,638,361,799,019,396
  5. Step 5: Solve for x
    x = 21,638,361,799,019,396/129,032,627.20
  6. Step 6: Final answer
    x = 167,696,824.20

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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.