Home / 76,506,984.18-114,759,904.20-21,919,615.92

Finding the Fourth Proportional to 76,506,984.18, 114,759,904.20 and 21,919,615.92

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Solution

The fourth proportional to 76,506,984.18, 114,759,904.20 and 21,919,615.92 is: 32,879,259.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,506,984.18 : 114,759,904.20 = 21,919,615.92 : x
  2. Step 2: Convert to fraction form
    76,506,984.18/114,759,904.20 = 21,919,615.92/x
  3. Step 3: Cross multiply
    76,506,984.18x = 114,759,904.20 × 21,919,615.92
  4. Step 4: Simplify right side
    76,506,984.18x = 2,515,493,023,079,995
  5. Step 5: Solve for x
    x = 2,515,493,023,079,995/76,506,984.18
  6. Step 6: Final answer
    x = 32,879,259.98

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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.