Home / 144,333,857.14-199,182,203.01-78,254,483.20

Finding the Fourth Proportional to 144,333,857.14, 199,182,203.01 and 78,254,483.20

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Solution

The fourth proportional to 144,333,857.14, 199,182,203.01 and 78,254,483.20 is: 107,991,989.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,333,857.14 : 199,182,203.01 = 78,254,483.20 : x
  2. Step 2: Convert to fraction form
    144,333,857.14/199,182,203.01 = 78,254,483.20/x
  3. Step 3: Cross multiply
    144,333,857.14x = 199,182,203.01 × 78,254,483.20
  4. Step 4: Simplify right side
    144,333,857.14x = 15,586,900,358,687,080
  5. Step 5: Solve for x
    x = 15,586,900,358,687,080/144,333,857.14
  6. Step 6: Final answer
    x = 107,991,989.32

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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.