Home / 249,049,664.80-373,070,612.40-172,459,175.20

Finding the Fourth Proportional to 249,049,664.80, 373,070,612.40 and 172,459,175.20

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Solution

The fourth proportional to 249,049,664.80, 373,070,612.40 and 172,459,175.20 is: 258,339,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,049,664.80 : 373,070,612.40 = 172,459,175.20 : x
  2. Step 2: Convert to fraction form
    249,049,664.80/373,070,612.40 = 172,459,175.20/x
  3. Step 3: Cross multiply
    249,049,664.80x = 373,070,612.40 × 172,459,175.20
  4. Step 4: Simplify right side
    249,049,664.80x = 64,339,450,105,862,880
  5. Step 5: Solve for x
    x = 64,339,450,105,862,880/249,049,664.80
  6. Step 6: Final answer
    x = 258,339,838.19

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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.