Home / 88,023,390.40-131,909,114.40-64,813,196.80

Finding the Fourth Proportional to 88,023,390.40, 131,909,114.40 and 64,813,196.80

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Solution

The fourth proportional to 88,023,390.40, 131,909,114.40 and 64,813,196.80 is: 97,127,040.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,023,390.40 : 131,909,114.40 = 64,813,196.80 : x
  2. Step 2: Convert to fraction form
    88,023,390.40/131,909,114.40 = 64,813,196.80/x
  3. Step 3: Cross multiply
    88,023,390.40x = 131,909,114.40 × 64,813,196.80
  4. Step 4: Simplify right side
    88,023,390.40x = 8,549,451,391,320,914
  5. Step 5: Solve for x
    x = 8,549,451,391,320,914/88,023,390.40
  6. Step 6: Final answer
    x = 97,127,040.35

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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.