Home / 282,807,784.78-390,216,252.75-165,310,386.92

Finding the Fourth Proportional to 282,807,784.78, 390,216,252.75 and 165,310,386.92

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Solution

The fourth proportional to 282,807,784.78, 390,216,252.75 and 165,310,386.92 is: 228,094,144.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,807,784.78 : 390,216,252.75 = 165,310,386.92 : x
  2. Step 2: Convert to fraction form
    282,807,784.78/390,216,252.75 = 165,310,386.92/x
  3. Step 3: Cross multiply
    282,807,784.78x = 390,216,252.75 × 165,310,386.92
  4. Step 4: Simplify right side
    282,807,784.78x = 64,506,799,726,594,944
  5. Step 5: Solve for x
    x = 64,506,799,726,594,944/282,807,784.78
  6. Step 6: Final answer
    x = 228,094,144.49

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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.