Home / 219,822,406.40-329,733,609.60-66,452,470.40

Finding the Fourth Proportional to 219,822,406.40, 329,733,609.60 and 66,452,470.40

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Solution

The fourth proportional to 219,822,406.40, 329,733,609.60 and 66,452,470.40 is: 99,678,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,822,406.40 : 329,733,609.60 = 66,452,470.40 : x
  2. Step 2: Convert to fraction form
    219,822,406.40/329,733,609.60 = 66,452,470.40/x
  3. Step 3: Cross multiply
    219,822,406.40x = 329,733,609.60 × 66,452,470.40
  4. Step 4: Simplify right side
    219,822,406.40x = 21,911,612,931,829,156
  5. Step 5: Solve for x
    x = 21,911,612,931,829,156/219,822,406.40
  6. Step 6: Final answer
    x = 99,678,705.60

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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.