Home / 79,009,574.60-118,766,304.30-74,474,611.40

Finding the Fourth Proportional to 79,009,574.60, 118,766,304.30 and 74,474,611.40

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Solution

The fourth proportional to 79,009,574.60, 118,766,304.30 and 74,474,611.40 is: 111,949,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,009,574.60 : 118,766,304.30 = 74,474,611.40 : x
  2. Step 2: Convert to fraction form
    79,009,574.60/118,766,304.30 = 74,474,611.40/x
  3. Step 3: Cross multiply
    79,009,574.60x = 118,766,304.30 × 74,474,611.40
  4. Step 4: Simplify right side
    79,009,574.60x = 8,845,074,360,156,650
  5. Step 5: Solve for x
    x = 8,845,074,360,156,650/79,009,574.60
  6. Step 6: Final answer
    x = 111,949,398.60

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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.