Home / 249,125,971.36-343,724,806.40-143,273,616.16

Finding the Fourth Proportional to 249,125,971.36, 343,724,806.40 and 143,273,616.16

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Solution

The fourth proportional to 249,125,971.36, 343,724,806.40 and 143,273,616.16 is: 197,677,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,125,971.36 : 343,724,806.40 = 143,273,616.16 : x
  2. Step 2: Convert to fraction form
    249,125,971.36/343,724,806.40 = 143,273,616.16/x
  3. Step 3: Cross multiply
    249,125,971.36x = 343,724,806.40 × 143,273,616.16
  4. Step 4: Simplify right side
    249,125,971.36x = 49,246,695,976,823,904
  5. Step 5: Solve for x
    x = 49,246,695,976,823,904/249,125,971.36
  6. Step 6: Final answer
    x = 197,677,888.45

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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.