Home / 142,261,810.08-196,321,497.12-77,071,714.08

Finding the Fourth Proportional to 142,261,810.08, 196,321,497.12 and 77,071,714.08

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Solution

The fourth proportional to 142,261,810.08, 196,321,497.12 and 77,071,714.08 is: 106,359,073.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,261,810.08 : 196,321,497.12 = 77,071,714.08 : x
  2. Step 2: Convert to fraction form
    142,261,810.08/196,321,497.12 = 77,071,714.08/x
  3. Step 3: Cross multiply
    142,261,810.08x = 196,321,497.12 × 77,071,714.08
  4. Step 4: Simplify right side
    142,261,810.08x = 15,130,834,293,790,184
  5. Step 5: Solve for x
    x = 15,130,834,293,790,184/142,261,810.08
  6. Step 6: Final answer
    x = 106,359,073.35

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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.