Home / 282,356,095.53-389,660,863.37-156,913,579.29

Finding the Fourth Proportional to 282,356,095.53, 389,660,863.37 and 156,913,579.29

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Solution

The fourth proportional to 282,356,095.53, 389,660,863.37 and 156,913,579.29 is: 216,545,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,356,095.53 : 389,660,863.37 = 156,913,579.29 : x
  2. Step 2: Convert to fraction form
    282,356,095.53/389,660,863.37 = 156,913,579.29/x
  3. Step 3: Cross multiply
    282,356,095.53x = 389,660,863.37 × 156,913,579.29
  4. Step 4: Simplify right side
    282,356,095.53x = 61,143,080,779,833,784
  5. Step 5: Solve for x
    x = 61,143,080,779,833,784/282,356,095.53
  6. Step 6: Final answer
    x = 216,545,991.92

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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.