Home / 216,441,627.66-298,937,674.98-142,432,586.39

Finding the Fourth Proportional to 216,441,627.66, 298,937,674.98 and 142,432,586.39

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Solution

The fourth proportional to 216,441,627.66, 298,937,674.98 and 142,432,586.39 is: 196,720,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,441,627.66 : 298,937,674.98 = 142,432,586.39 : x
  2. Step 2: Convert to fraction form
    216,441,627.66/298,937,674.98 = 142,432,586.39/x
  3. Step 3: Cross multiply
    216,441,627.66x = 298,937,674.98 × 142,432,586.39
  4. Step 4: Simplify right side
    216,441,627.66x = 42,578,466,217,561,944
  5. Step 5: Solve for x
    x = 42,578,466,217,561,944/216,441,627.66
  6. Step 6: Final answer
    x = 196,720,319.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.