Home / 158,708,104.08-219,019,891.34-87,184,001.60

Finding the Fourth Proportional to 158,708,104.08, 219,019,891.34 and 87,184,001.60

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Solution

The fourth proportional to 158,708,104.08, 219,019,891.34 and 87,184,001.60 is: 120,315,409.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,708,104.08 : 219,019,891.34 = 87,184,001.60 : x
  2. Step 2: Convert to fraction form
    158,708,104.08/219,019,891.34 = 87,184,001.60/x
  3. Step 3: Cross multiply
    158,708,104.08x = 219,019,891.34 × 87,184,001.60
  4. Step 4: Simplify right side
    158,708,104.08x = 19,095,030,557,018,384
  5. Step 5: Solve for x
    x = 19,095,030,557,018,384/158,708,104.08
  6. Step 6: Final answer
    x = 120,315,409.65

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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.