Home / 112,772,820.80-169,159,231.20-69,501,713.60

Finding the Fourth Proportional to 112,772,820.80, 169,159,231.20 and 69,501,713.60

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Solution

The fourth proportional to 112,772,820.80, 169,159,231.20 and 69,501,713.60 is: 104,252,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,772,820.80 : 169,159,231.20 = 69,501,713.60 : x
  2. Step 2: Convert to fraction form
    112,772,820.80/169,159,231.20 = 69,501,713.60/x
  3. Step 3: Cross multiply
    112,772,820.80x = 169,159,231.20 × 69,501,713.60
  4. Step 4: Simplify right side
    112,772,820.80x = 11,756,856,439,658,582
  5. Step 5: Solve for x
    x = 11,756,856,439,658,582/112,772,820.80
  6. Step 6: Final answer
    x = 104,252,570.40

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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.