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Finding the Fourth Proportional to 220,569,485.60, 330,854,228.40 and 59,011,421.60

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Solution

The fourth proportional to 220,569,485.60, 330,854,228.40 and 59,011,421.60 is: 88,517,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,569,485.60 : 330,854,228.40 = 59,011,421.60 : x
  2. Step 2: Convert to fraction form
    220,569,485.60/330,854,228.40 = 59,011,421.60/x
  3. Step 3: Cross multiply
    220,569,485.60x = 330,854,228.40 × 59,011,421.60
  4. Step 4: Simplify right side
    220,569,485.60x = 19,524,178,360,255,092
  5. Step 5: Solve for x
    x = 19,524,178,360,255,092/220,569,485.60
  6. Step 6: Final answer
    x = 88,517,132.40

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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.