Home / 122,178,802.14-168,605,260.56-90,956,347.74

Finding the Fourth Proportional to 122,178,802.14, 168,605,260.56 and 90,956,347.74

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Solution

The fourth proportional to 122,178,802.14, 168,605,260.56 and 90,956,347.74 is: 125,518,653.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,178,802.14 : 168,605,260.56 = 90,956,347.74 : x
  2. Step 2: Convert to fraction form
    122,178,802.14/168,605,260.56 = 90,956,347.74/x
  3. Step 3: Cross multiply
    122,178,802.14x = 168,605,260.56 × 90,956,347.74
  4. Step 4: Simplify right side
    122,178,802.14x = 15,335,718,710,288,666
  5. Step 5: Solve for x
    x = 15,335,718,710,288,666/122,178,802.14
  6. Step 6: Final answer
    x = 125,518,653.33

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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.