Home / 122,500,187,995.40-183,750,281,993.10-102,909,146,971.40

Finding the Fourth Proportional to 122,500,187,995.40, 183,750,281,993.10 and 102,909,146,971.40

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Solution

The fourth proportional to 122,500,187,995.40, 183,750,281,993.10 and 102,909,146,971.40 is: 154,363,720,457.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,500,187,995.40 : 183,750,281,993.10 = 102,909,146,971.40 : x
  2. Step 2: Convert to fraction form
    122,500,187,995.40/183,750,281,993.10 = 102,909,146,971.40/x
  3. Step 3: Cross multiply
    122,500,187,995.40x = 183,750,281,993.10 × 102,909,146,971.40
  4. Step 4: Simplify right side
    122,500,187,995.40x = 18,909,584,775,664,124,297,216
  5. Step 5: Solve for x
    x = 18,909,584,775,664,124,297,216/122,500,187,995.40
  6. Step 6: Final answer
    x = 154,363,720,457.10

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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.