Home / 249,124,125.47-343,784,632.47-137,612,566.25

Finding the Fourth Proportional to 249,124,125.47, 343,784,632.47 and 137,612,566.25

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Solution

The fourth proportional to 249,124,125.47, 343,784,632.47 and 137,612,566.25 is: 189,901,662.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,124,125.47 : 343,784,632.47 = 137,612,566.25 : x
  2. Step 2: Convert to fraction form
    249,124,125.47/343,784,632.47 = 137,612,566.25/x
  3. Step 3: Cross multiply
    249,124,125.47x = 343,784,632.47 × 137,612,566.25
  4. Step 4: Simplify right side
    249,124,125.47x = 47,309,085,512,369,240
  5. Step 5: Solve for x
    x = 47,309,085,512,369,240/249,124,125.47
  6. Step 6: Final answer
    x = 189,901,662.17

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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.