Home / 80,888,080.32-111,646,312.47-49,930,461.09

Finding the Fourth Proportional to 80,888,080.32, 111,646,312.47 and 49,930,461.09

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Solution

The fourth proportional to 80,888,080.32, 111,646,312.47 and 49,930,461.09 is: 68,916,852.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,888,080.32 : 111,646,312.47 = 49,930,461.09 : x
  2. Step 2: Convert to fraction form
    80,888,080.32/111,646,312.47 = 49,930,461.09/x
  3. Step 3: Cross multiply
    80,888,080.32x = 111,646,312.47 × 49,930,461.09
  4. Step 4: Simplify right side
    80,888,080.32x = 5,574,551,860,625,317
  5. Step 5: Solve for x
    x = 5,574,551,860,625,317/80,888,080.32
  6. Step 6: Final answer
    x = 68,916,852.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.