Home / 216,441,628.16-298,937,675.67-142,432,586.89

Finding the Fourth Proportional to 216,441,628.16, 298,937,675.67 and 142,432,586.89

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Solution

The fourth proportional to 216,441,628.16, 298,937,675.67 and 142,432,586.89 is: 196,720,320.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,441,628.16 : 298,937,675.67 = 142,432,586.89 : x
  2. Step 2: Convert to fraction form
    216,441,628.16/298,937,675.67 = 142,432,586.89/x
  3. Step 3: Cross multiply
    216,441,628.16x = 298,937,675.67 × 142,432,586.89
  4. Step 4: Simplify right side
    216,441,628.16x = 42,578,466,465,309,264
  5. Step 5: Solve for x
    x = 42,578,466,465,309,264/216,441,628.16
  6. Step 6: Final answer
    x = 196,720,320.52

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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.