Home / 217,900,840.61-326,914,940.03-70,344,938.34

Finding the Fourth Proportional to 217,900,840.61, 326,914,940.03 and 70,344,938.34

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Solution

The fourth proportional to 217,900,840.61, 326,914,940.03 and 70,344,938.34 is: 105,537,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,900,840.61 : 326,914,940.03 = 70,344,938.34 : x
  2. Step 2: Convert to fraction form
    217,900,840.61/326,914,940.03 = 70,344,938.34/x
  3. Step 3: Cross multiply
    217,900,840.61x = 326,914,940.03 × 70,344,938.34
  4. Step 4: Simplify right side
    217,900,840.61x = 22,996,811,298,483,424
  5. Step 5: Solve for x
    x = 22,996,811,298,483,424/217,900,840.61
  6. Step 6: Final answer
    x = 105,537,965.04

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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.