Home / 147,620,535.60-221,430,803.40-56,747,089.20

Finding the Fourth Proportional to 147,620,535.60, 221,430,803.40 and 56,747,089.20

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Solution

The fourth proportional to 147,620,535.60, 221,430,803.40 and 56,747,089.20 is: 85,120,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,620,535.60 : 221,430,803.40 = 56,747,089.20 : x
  2. Step 2: Convert to fraction form
    147,620,535.60/221,430,803.40 = 56,747,089.20/x
  3. Step 3: Cross multiply
    147,620,535.60x = 221,430,803.40 × 56,747,089.20
  4. Step 4: Simplify right side
    147,620,535.60x = 12,565,553,552,167,464
  5. Step 5: Solve for x
    x = 12,565,553,552,167,464/147,620,535.60
  6. Step 6: Final answer
    x = 85,120,633.80

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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.