Home / 66,446,838.60-99,471,192.30-39,506,627.40

Finding the Fourth Proportional to 66,446,838.60, 99,471,192.30 and 39,506,627.40

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Solution

The fourth proportional to 66,446,838.60, 99,471,192.30 and 39,506,627.40 is: 59,141,584.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,446,838.60 : 99,471,192.30 = 39,506,627.40 : x
  2. Step 2: Convert to fraction form
    66,446,838.60/99,471,192.30 = 39,506,627.40/x
  3. Step 3: Cross multiply
    66,446,838.60x = 99,471,192.30 × 39,506,627.40
  4. Step 4: Simplify right side
    66,446,838.60x = 3,929,771,331,229,849
  5. Step 5: Solve for x
    x = 3,929,771,331,229,849/66,446,838.60
  6. Step 6: Final answer
    x = 59,141,584.67

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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.