Home / 140,703,802.19-194,171,265.43-77,983,949.36

Finding the Fourth Proportional to 140,703,802.19, 194,171,265.43 and 77,983,949.36

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Solution

The fourth proportional to 140,703,802.19, 194,171,265.43 and 77,983,949.36 is: 107,617,860.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,703,802.19 : 194,171,265.43 = 77,983,949.36 : x
  2. Step 2: Convert to fraction form
    140,703,802.19/194,171,265.43 = 77,983,949.36/x
  3. Step 3: Cross multiply
    140,703,802.19x = 194,171,265.43 × 77,983,949.36
  4. Step 4: Simplify right side
    140,703,802.19x = 15,142,242,130,555,748
  5. Step 5: Solve for x
    x = 15,142,242,130,555,748/140,703,802.19
  6. Step 6: Final answer
    x = 107,617,860.32

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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.