Home / 281,110,682.88-387,930,038.40-161,989,510.32

Finding the Fourth Proportional to 281,110,682.88, 387,930,038.40 and 161,989,510.32

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Solution

The fourth proportional to 281,110,682.88, 387,930,038.40 and 161,989,510.32 is: 223,543,966.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,110,682.88 : 387,930,038.40 = 161,989,510.32 : x
  2. Step 2: Convert to fraction form
    281,110,682.88/387,930,038.40 = 161,989,510.32/x
  3. Step 3: Cross multiply
    281,110,682.88x = 387,930,038.40 × 161,989,510.32
  4. Step 4: Simplify right side
    281,110,682.88x = 62,840,596,958,834,792
  5. Step 5: Solve for x
    x = 62,840,596,958,834,792/281,110,682.88
  6. Step 6: Final answer
    x = 223,543,966.08

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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.