Home / 219,744,795.60-329,669,681.40-66,392,355.60

Finding the Fourth Proportional to 219,744,795.60, 329,669,681.40 and 66,392,355.60

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Solution

The fourth proportional to 219,744,795.60, 329,669,681.40 and 66,392,355.60 is: 99,604,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,744,795.60 : 329,669,681.40 = 66,392,355.60 : x
  2. Step 2: Convert to fraction form
    219,744,795.60/329,669,681.40 = 66,392,355.60/x
  3. Step 3: Cross multiply
    219,744,795.60x = 329,669,681.40 × 66,392,355.60
  4. Step 4: Simplify right side
    219,744,795.60x = 21,887,546,718,047,504
  5. Step 5: Solve for x
    x = 21,887,546,718,047,504/219,744,795.60
  6. Step 6: Final answer
    x = 99,604,391.80

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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.