Home / 142,709,964,376.08-196,944,928,899.84-81,754,112,475.60

Finding the Fourth Proportional to 142,709,964,376.08, 196,944,928,899.84 and 81,754,112,475.60

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Solution

The fourth proportional to 142,709,964,376.08, 196,944,928,899.84 and 81,754,112,475.60 is: 112,823,641,566.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,709,964,376.08 : 196,944,928,899.84 = 81,754,112,475.60 : x
  2. Step 2: Convert to fraction form
    142,709,964,376.08/196,944,928,899.84 = 81,754,112,475.60/x
  3. Step 3: Cross multiply
    142,709,964,376.08x = 196,944,928,899.84 × 81,754,112,475.60
  4. Step 4: Simplify right side
    142,709,964,376.08x = 16,101,057,868,776,565,899,264
  5. Step 5: Solve for x
    x = 16,101,057,868,776,565,899,264/142,709,964,376.08
  6. Step 6: Final answer
    x = 112,823,641,566.79

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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.