Home / 253,404,012.16-349,697,536.80-137,510,508.16

Finding the Fourth Proportional to 253,404,012.16, 349,697,536.80 and 137,510,508.16

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Solution

The fourth proportional to 253,404,012.16, 349,697,536.80 and 137,510,508.16 is: 189,764,501.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,404,012.16 : 349,697,536.80 = 137,510,508.16 : x
  2. Step 2: Convert to fraction form
    253,404,012.16/349,697,536.80 = 137,510,508.16/x
  3. Step 3: Cross multiply
    253,404,012.16x = 349,697,536.80 × 137,510,508.16
  4. Step 4: Simplify right side
    253,404,012.16x = 48,087,085,987,668,304
  5. Step 5: Solve for x
    x = 48,087,085,987,668,304/253,404,012.16
  6. Step 6: Final answer
    x = 189,764,501.27

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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.