Home / 88,023,506.40-131,909,288.40-64,813,312.80

Finding the Fourth Proportional to 88,023,506.40, 131,909,288.40 and 64,813,312.80

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Solution

The fourth proportional to 88,023,506.40, 131,909,288.40 and 64,813,312.80 is: 97,127,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,023,506.40 : 131,909,288.40 = 64,813,312.80 : x
  2. Step 2: Convert to fraction form
    88,023,506.40/131,909,288.40 = 64,813,312.80/x
  3. Step 3: Cross multiply
    88,023,506.40x = 131,909,288.40 × 64,813,312.80
  4. Step 4: Simplify right side
    88,023,506.40x = 8,549,477,970,294,612
  5. Step 5: Solve for x
    x = 8,549,477,970,294,612/88,023,506.40
  6. Step 6: Final answer
    x = 97,127,214.31

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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.