Home / 249,232,654.46-343,940,212.32-137,720,389.16

Finding the Fourth Proportional to 249,232,654.46, 343,940,212.32 and 137,720,389.16

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Solution

The fourth proportional to 249,232,654.46, 343,940,212.32 and 137,720,389.16 is: 190,053,666.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,232,654.46 : 343,940,212.32 = 137,720,389.16 : x
  2. Step 2: Convert to fraction form
    249,232,654.46/343,940,212.32 = 137,720,389.16/x
  3. Step 3: Cross multiply
    249,232,654.46x = 343,940,212.32 × 137,720,389.16
  4. Step 4: Simplify right side
    249,232,654.46x = 47,367,579,888,483,424
  5. Step 5: Solve for x
    x = 47,367,579,888,483,424/249,232,654.46
  6. Step 6: Final answer
    x = 190,053,666.89

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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.