Home / 249,868,019.80-374,802,029.70-147,579,405.40

Finding the Fourth Proportional to 249,868,019.80, 374,802,029.70 and 147,579,405.40

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Solution

The fourth proportional to 249,868,019.80, 374,802,029.70 and 147,579,405.40 is: 221,369,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,868,019.80 : 374,802,029.70 = 147,579,405.40 : x
  2. Step 2: Convert to fraction form
    249,868,019.80/374,802,029.70 = 147,579,405.40/x
  3. Step 3: Cross multiply
    249,868,019.80x = 374,802,029.70 × 147,579,405.40
  4. Step 4: Simplify right side
    249,868,019.80x = 55,313,060,685,839,144
  5. Step 5: Solve for x
    x = 55,313,060,685,839,144/249,868,019.80
  6. Step 6: Final answer
    x = 221,369,108.10

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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.