Home / 200,937,557.36-300,966,897.26-142,468,004.22

Finding the Fourth Proportional to 200,937,557.36, 300,966,897.26 and 142,468,004.22

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Solution

The fourth proportional to 200,937,557.36, 300,966,897.26 and 142,468,004.22 is: 213,390,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,937,557.36 : 300,966,897.26 = 142,468,004.22 : x
  2. Step 2: Convert to fraction form
    200,937,557.36/300,966,897.26 = 142,468,004.22/x
  3. Step 3: Cross multiply
    200,937,557.36x = 300,966,897.26 × 142,468,004.22
  4. Step 4: Simplify right side
    200,937,557.36x = 42,878,153,188,917,984
  5. Step 5: Solve for x
    x = 42,878,153,188,917,984/200,937,557.36
  6. Step 6: Final answer
    x = 213,390,437.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.