Home / 143,145,302.60-214,829,928.30-66,477,830.60

Finding the Fourth Proportional to 143,145,302.60, 214,829,928.30 and 66,477,830.60

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Solution

The fourth proportional to 143,145,302.60, 214,829,928.30 and 66,477,830.60 is: 99,768,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,145,302.60 : 214,829,928.30 = 66,477,830.60 : x
  2. Step 2: Convert to fraction form
    143,145,302.60/214,829,928.30 = 66,477,830.60/x
  3. Step 3: Cross multiply
    143,145,302.60x = 214,829,928.30 × 66,477,830.60
  4. Step 4: Simplify right side
    143,145,302.60x = 14,281,427,581,337,548
  5. Step 5: Solve for x
    x = 14,281,427,581,337,548/143,145,302.60
  6. Step 6: Final answer
    x = 99,768,747.71

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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.