Home / 43,740,337.60-65,629,168.80-21,009,534.40

Finding the Fourth Proportional to 43,740,337.60, 65,629,168.80 and 21,009,534.40

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Solution

The fourth proportional to 43,740,337.60, 65,629,168.80 and 21,009,534.40 is: 31,523,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,740,337.60 : 65,629,168.80 = 21,009,534.40 : x
  2. Step 2: Convert to fraction form
    43,740,337.60/65,629,168.80 = 21,009,534.40/x
  3. Step 3: Cross multiply
    43,740,337.60x = 65,629,168.80 × 21,009,534.40
  4. Step 4: Simplify right side
    43,740,337.60x = 1,378,838,279,547,006.50
  5. Step 5: Solve for x
    x = 1,378,838,279,547,006.50/43,740,337.60
  6. Step 6: Final answer
    x = 31,523,265.60

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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.