Home / 207,927,138.62-286,928,083.54-113,823,081.02

Finding the Fourth Proportional to 207,927,138.62, 286,928,083.54 and 113,823,081.02

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Solution

The fourth proportional to 207,927,138.62, 286,928,083.54 and 113,823,081.02 is: 157,069,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,927,138.62 : 286,928,083.54 = 113,823,081.02 : x
  2. Step 2: Convert to fraction form
    207,927,138.62/286,928,083.54 = 113,823,081.02/x
  3. Step 3: Cross multiply
    207,927,138.62x = 286,928,083.54 × 113,823,081.02
  4. Step 4: Simplify right side
    207,927,138.62x = 32,659,038,499,686,748
  5. Step 5: Solve for x
    x = 32,659,038,499,686,748/207,927,138.62
  6. Step 6: Final answer
    x = 157,069,628.89

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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.