Home / 249,483,986.32-344,249,653.04-143,616,937.66

Finding the Fourth Proportional to 249,483,986.32, 344,249,653.04 and 143,616,937.66

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Solution

The fourth proportional to 249,483,986.32, 344,249,653.04 and 143,616,937.66 is: 198,169,356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,483,986.32 : 344,249,653.04 = 143,616,937.66 : x
  2. Step 2: Convert to fraction form
    249,483,986.32/344,249,653.04 = 143,616,937.66/x
  3. Step 3: Cross multiply
    249,483,986.32x = 344,249,653.04 × 143,616,937.66
  4. Step 4: Simplify right side
    249,483,986.32x = 49,440,080,960,122,312
  5. Step 5: Solve for x
    x = 49,440,080,960,122,312/249,483,986.32
  6. Step 6: Final answer
    x = 198,169,356.24

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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.