Home / 122,500,188,002.90-183,750,282,004.35-102,909,146,978.90

Finding the Fourth Proportional to 122,500,188,002.90, 183,750,282,004.35 and 102,909,146,978.90

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Solution

The fourth proportional to 122,500,188,002.90, 183,750,282,004.35 and 102,909,146,978.90 is: 154,363,720,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,500,188,002.90 : 183,750,282,004.35 = 102,909,146,978.90 : x
  2. Step 2: Convert to fraction form
    122,500,188,002.90/183,750,282,004.35 = 102,909,146,978.90/x
  3. Step 3: Cross multiply
    122,500,188,002.90x = 183,750,282,004.35 × 102,909,146,978.90
  4. Step 4: Simplify right side
    122,500,188,002.90x = 18,909,584,778,199,975,329,792
  5. Step 5: Solve for x
    x = 18,909,584,778,199,975,329,792/122,500,188,002.90
  6. Step 6: Final answer
    x = 154,363,720,468.35

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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.