Home / 125,047,304.63-172,643,718.65-80,470,725.20

Finding the Fourth Proportional to 125,047,304.63, 172,643,718.65 and 80,470,725.20

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Solution

The fourth proportional to 125,047,304.63, 172,643,718.65 and 80,470,725.20 is: 111,100,077.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,047,304.63 : 172,643,718.65 = 80,470,725.20 : x
  2. Step 2: Convert to fraction form
    125,047,304.63/172,643,718.65 = 80,470,725.20/x
  3. Step 3: Cross multiply
    125,047,304.63x = 172,643,718.65 × 80,470,725.20
  4. Step 4: Simplify right side
    125,047,304.63x = 13,892,765,239,724,692
  5. Step 5: Solve for x
    x = 13,892,765,239,724,692/125,047,304.63
  6. Step 6: Final answer
    x = 111,100,077.54

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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.