Home / 186,427,661.78-279,641,484.45-82,772,501.64

Finding the Fourth Proportional to 186,427,661.78, 279,641,484.45 and 82,772,501.64

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Solution

The fourth proportional to 186,427,661.78, 279,641,484.45 and 82,772,501.64 is: 124,158,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,427,661.78 : 279,641,484.45 = 82,772,501.64 : x
  2. Step 2: Convert to fraction form
    186,427,661.78/279,641,484.45 = 82,772,501.64/x
  3. Step 3: Cross multiply
    186,427,661.78x = 279,641,484.45 × 82,772,501.64
  4. Step 4: Simplify right side
    186,427,661.78x = 23,146,625,230,249,660
  5. Step 5: Solve for x
    x = 23,146,625,230,249,660/186,427,661.78
  6. Step 6: Final answer
    x = 124,158,748.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.