Home / 56,693,145.60-85,039,718.40-39,374,438.40

Finding the Fourth Proportional to 56,693,145.60, 85,039,718.40 and 39,374,438.40

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Solution

The fourth proportional to 56,693,145.60, 85,039,718.40 and 39,374,438.40 is: 59,061,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,693,145.60 : 85,039,718.40 = 39,374,438.40 : x
  2. Step 2: Convert to fraction form
    56,693,145.60/85,039,718.40 = 39,374,438.40/x
  3. Step 3: Cross multiply
    56,693,145.60x = 85,039,718.40 × 39,374,438.40
  4. Step 4: Simplify right side
    56,693,145.60x = 3,348,391,153,694,146.50
  5. Step 5: Solve for x
    x = 3,348,391,153,694,146.50/56,693,145.60
  6. Step 6: Final answer
    x = 59,061,657.60

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Double scale
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Similar ratio
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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.