Home / 159,681,619.62-220,306,509.45-130,262,095.62

Finding the Fourth Proportional to 159,681,619.62, 220,306,509.45 and 130,262,095.62

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Solution

The fourth proportional to 159,681,619.62, 220,306,509.45 and 130,262,095.62 is: 179,717,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,681,619.62 : 220,306,509.45 = 130,262,095.62 : x
  2. Step 2: Convert to fraction form
    159,681,619.62/220,306,509.45 = 130,262,095.62/x
  3. Step 3: Cross multiply
    159,681,619.62x = 220,306,509.45 × 130,262,095.62
  4. Step 4: Simplify right side
    159,681,619.62x = 28,697,587,599,684,332
  5. Step 5: Solve for x
    x = 28,697,587,599,684,332/159,681,619.62
  6. Step 6: Final answer
    x = 179,717,538.36

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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.