Home / 120,310,664.17-180,155,192.77-83,034,303.25

Finding the Fourth Proportional to 120,310,664.17, 180,155,192.77 and 83,034,303.25

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Solution

The fourth proportional to 120,310,664.17, 180,155,192.77 and 83,034,303.25 is: 124,336,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,310,664.17 : 180,155,192.77 = 83,034,303.25 : x
  2. Step 2: Convert to fraction form
    120,310,664.17/180,155,192.77 = 83,034,303.25/x
  3. Step 3: Cross multiply
    120,310,664.17x = 180,155,192.77 × 83,034,303.25
  4. Step 4: Simplify right side
    120,310,664.17x = 14,959,060,908,526,388
  5. Step 5: Solve for x
    x = 14,959,060,908,526,388/120,310,664.17
  6. Step 6: Final answer
    x = 124,336,948.95

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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.