Home / 56,862,039.60-85,293,059.40-20,476,045.80

Finding the Fourth Proportional to 56,862,039.60, 85,293,059.40 and 20,476,045.80

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Solution

The fourth proportional to 56,862,039.60, 85,293,059.40 and 20,476,045.80 is: 30,714,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,862,039.60 : 85,293,059.40 = 20,476,045.80 : x
  2. Step 2: Convert to fraction form
    56,862,039.60/85,293,059.40 = 20,476,045.80/x
  3. Step 3: Cross multiply
    56,862,039.60x = 85,293,059.40 × 20,476,045.80
  4. Step 4: Simplify right side
    56,862,039.60x = 1,746,464,590,696,520.75
  5. Step 5: Solve for x
    x = 1,746,464,590,696,520.75/56,862,039.60
  6. Step 6: Final answer
    x = 30,714,068.70

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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.