Home / 213,226,963.42-319,859,964.10-59,871,986.50

Finding the Fourth Proportional to 213,226,963.42, 319,859,964.10 and 59,871,986.50

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Solution

The fourth proportional to 213,226,963.42, 319,859,964.10 and 59,871,986.50 is: 89,813,460.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,226,963.42 : 319,859,964.10 = 59,871,986.50 : x
  2. Step 2: Convert to fraction form
    213,226,963.42/319,859,964.10 = 59,871,986.50/x
  3. Step 3: Cross multiply
    213,226,963.42x = 319,859,964.10 × 59,871,986.50
  4. Step 4: Simplify right side
    213,226,963.42x = 19,150,651,452,485,688
  5. Step 5: Solve for x
    x = 19,150,651,452,485,688/213,226,963.42
  6. Step 6: Final answer
    x = 89,813,460.48

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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.