Home / 217,219,368.90-325,829,053.35-148,344,615.30

Finding the Fourth Proportional to 217,219,368.90, 325,829,053.35 and 148,344,615.30

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Solution

The fourth proportional to 217,219,368.90, 325,829,053.35 and 148,344,615.30 is: 222,516,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,219,368.90 : 325,829,053.35 = 148,344,615.30 : x
  2. Step 2: Convert to fraction form
    217,219,368.90/325,829,053.35 = 148,344,615.30/x
  3. Step 3: Cross multiply
    217,219,368.90x = 325,829,053.35 × 148,344,615.30
  4. Step 4: Simplify right side
    217,219,368.90x = 48,334,985,572,768,936
  5. Step 5: Solve for x
    x = 48,334,985,572,768,936/217,219,368.90
  6. Step 6: Final answer
    x = 222,516,922.95

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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.