Home / 122,500,188,002.40-183,750,282,003.60-102,909,146,978.40

Finding the Fourth Proportional to 122,500,188,002.40, 183,750,282,003.60 and 102,909,146,978.40

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Solution

The fourth proportional to 122,500,188,002.40, 183,750,282,003.60 and 102,909,146,978.40 is: 154,363,720,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,500,188,002.40 : 183,750,282,003.60 = 102,909,146,978.40 : x
  2. Step 2: Convert to fraction form
    122,500,188,002.40/183,750,282,003.60 = 102,909,146,978.40/x
  3. Step 3: Cross multiply
    122,500,188,002.40x = 183,750,282,003.60 × 102,909,146,978.40
  4. Step 4: Simplify right side
    122,500,188,002.40x = 18,909,584,778,030,919,712,768
  5. Step 5: Solve for x
    x = 18,909,584,778,030,919,712,768/122,500,188,002.40
  6. Step 6: Final answer
    x = 154,363,720,467.60

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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.