Home / 159,720,924-220,414,875.48-86,382,066

Finding the Fourth Proportional to 159,720,924, 220,414,875.48 and 86,382,066

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Solution

The fourth proportional to 159,720,924, 220,414,875.48 and 86,382,066 is: 119,207,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,720,924 : 220,414,875.48 = 86,382,066 : x
  2. Step 2: Convert to fraction form
    159,720,924/220,414,875.48 = 86,382,066/x
  3. Step 3: Cross multiply
    159,720,924x = 220,414,875.48 × 86,382,066
  4. Step 4: Simplify right side
    159,720,924x = 19,039,892,321,095,140
  5. Step 5: Solve for x
    x = 19,039,892,321,095,140/159,720,924
  6. Step 6: Final answer
    x = 119,207,251.27

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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.