Home / 249,478,065.24-344,282,014.62-137,963,144.22

Finding the Fourth Proportional to 249,478,065.24, 344,282,014.62 and 137,963,144.22

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Solution

The fourth proportional to 249,478,065.24, 344,282,014.62 and 137,963,144.22 is: 190,390,402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,478,065.24 : 344,282,014.62 = 137,963,144.22 : x
  2. Step 2: Convert to fraction form
    249,478,065.24/344,282,014.62 = 137,963,144.22/x
  3. Step 3: Cross multiply
    249,478,065.24x = 344,282,014.62 × 137,963,144.22
  4. Step 4: Simplify right side
    249,478,065.24x = 47,498,229,235,371,208
  5. Step 5: Solve for x
    x = 47,498,229,235,371,208/249,478,065.24
  6. Step 6: Final answer
    x = 190,390,402.42

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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.