Home / 66,430,246.80-99,645,370.20-47,059,222.35

Finding the Fourth Proportional to 66,430,246.80, 99,645,370.20 and 47,059,222.35

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Solution

The fourth proportional to 66,430,246.80, 99,645,370.20 and 47,059,222.35 is: 70,588,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,246.80 : 99,645,370.20 = 47,059,222.35 : x
  2. Step 2: Convert to fraction form
    66,430,246.80/99,645,370.20 = 47,059,222.35/x
  3. Step 3: Cross multiply
    66,430,246.80x = 99,645,370.20 × 47,059,222.35
  4. Step 4: Simplify right side
    66,430,246.80x = 4,689,233,632,389,864
  5. Step 5: Solve for x
    x = 4,689,233,632,389,864/66,430,246.80
  6. Step 6: Final answer
    x = 70,588,833.53

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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.