Home / 122,526,856.80-183,566,336.40-99,684,079.20

Finding the Fourth Proportional to 122,526,856.80, 183,566,336.40 and 99,684,079.20

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Solution

The fourth proportional to 122,526,856.80, 183,566,336.40 and 99,684,079.20 is: 149,343,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,526,856.80 : 183,566,336.40 = 99,684,079.20 : x
  2. Step 2: Convert to fraction form
    122,526,856.80/183,566,336.40 = 99,684,079.20/x
  3. Step 3: Cross multiply
    122,526,856.80x = 183,566,336.40 × 99,684,079.20
  4. Step 4: Simplify right side
    122,526,856.80x = 18,298,641,216,151,444
  5. Step 5: Solve for x
    x = 18,298,641,216,151,444/122,526,856.80
  6. Step 6: Final answer
    x = 149,343,920.95

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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.