Home / 218,077,710.40-327,116,565.60-79,903,050.40

Finding the Fourth Proportional to 218,077,710.40, 327,116,565.60 and 79,903,050.40

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Solution

The fourth proportional to 218,077,710.40, 327,116,565.60 and 79,903,050.40 is: 119,854,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,077,710.40 : 327,116,565.60 = 79,903,050.40 : x
  2. Step 2: Convert to fraction form
    218,077,710.40/327,116,565.60 = 79,903,050.40/x
  3. Step 3: Cross multiply
    218,077,710.40x = 327,116,565.60 × 79,903,050.40
  4. Step 4: Simplify right side
    218,077,710.40x = 26,137,611,427,811,712
  5. Step 5: Solve for x
    x = 26,137,611,427,811,712/218,077,710.40
  6. Step 6: Final answer
    x = 119,854,575.60

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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.