Home / 47,261,145.60-70,891,718.40-30,241,036.80

Finding the Fourth Proportional to 47,261,145.60, 70,891,718.40 and 30,241,036.80

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Solution

The fourth proportional to 47,261,145.60, 70,891,718.40 and 30,241,036.80 is: 45,361,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,261,145.60 : 70,891,718.40 = 30,241,036.80 : x
  2. Step 2: Convert to fraction form
    47,261,145.60/70,891,718.40 = 30,241,036.80/x
  3. Step 3: Cross multiply
    47,261,145.60x = 70,891,718.40 × 30,241,036.80
  4. Step 4: Simplify right side
    47,261,145.60x = 2,143,839,064,949,637.25
  5. Step 5: Solve for x
    x = 2,143,839,064,949,637.25/47,261,145.60
  6. Step 6: Final answer
    x = 45,361,555.20

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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.