Home / 249,985,787.40-345,100,012.01-166,492,863.36

Finding the Fourth Proportional to 249,985,787.40, 345,100,012.01 and 166,492,863.36

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Solution

The fourth proportional to 249,985,787.40, 345,100,012.01 and 166,492,863.36 is: 229,839,823.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,985,787.40 : 345,100,012.01 = 166,492,863.36 : x
  2. Step 2: Convert to fraction form
    249,985,787.40/345,100,012.01 = 166,492,863.36/x
  3. Step 3: Cross multiply
    249,985,787.40x = 345,100,012.01 × 166,492,863.36
  4. Step 4: Simplify right side
    249,985,787.40x = 57,456,689,142,557,320
  5. Step 5: Solve for x
    x = 57,456,689,142,557,320/249,985,787.40
  6. Step 6: Final answer
    x = 229,839,823.06

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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.