Home / 142,261,810.58-196,321,497.81-77,071,714.58

Finding the Fourth Proportional to 142,261,810.58, 196,321,497.81 and 77,071,714.58

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Solution

The fourth proportional to 142,261,810.58, 196,321,497.81 and 77,071,714.58 is: 106,359,074.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,261,810.58 : 196,321,497.81 = 77,071,714.58 : x
  2. Step 2: Convert to fraction form
    142,261,810.58/196,321,497.81 = 77,071,714.58/x
  3. Step 3: Cross multiply
    142,261,810.58x = 196,321,497.81 × 77,071,714.58
  4. Step 4: Simplify right side
    142,261,810.58x = 15,130,834,445,130,414
  5. Step 5: Solve for x
    x = 15,130,834,445,130,414/142,261,810.58
  6. Step 6: Final answer
    x = 106,359,074.04

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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.