Home / 104,328,009.60-156,492,014.40-87,447,868.80

Finding the Fourth Proportional to 104,328,009.60, 156,492,014.40 and 87,447,868.80

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Solution

The fourth proportional to 104,328,009.60, 156,492,014.40 and 87,447,868.80 is: 131,171,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,328,009.60 : 156,492,014.40 = 87,447,868.80 : x
  2. Step 2: Convert to fraction form
    104,328,009.60/156,492,014.40 = 87,447,868.80/x
  3. Step 3: Cross multiply
    104,328,009.60x = 156,492,014.40 × 87,447,868.80
  4. Step 4: Simplify right side
    104,328,009.60x = 13,684,893,143,498,910
  5. Step 5: Solve for x
    x = 13,684,893,143,498,910/104,328,009.60
  6. Step 6: Final answer
    x = 131,171,803.20

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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.