Home / 228,638,006.48-315,514,306.32-134,557,688.72

Finding the Fourth Proportional to 228,638,006.48, 315,514,306.32 and 134,557,688.72

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Solution

The fourth proportional to 228,638,006.48, 315,514,306.32 and 134,557,688.72 is: 185,685,995.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,638,006.48 : 315,514,306.32 = 134,557,688.72 : x
  2. Step 2: Convert to fraction form
    228,638,006.48/315,514,306.32 = 134,557,688.72/x
  3. Step 3: Cross multiply
    228,638,006.48x = 315,514,306.32 × 134,557,688.72
  4. Step 4: Simplify right side
    228,638,006.48x = 42,454,875,816,513,288
  5. Step 5: Solve for x
    x = 42,454,875,816,513,288/228,638,006.48
  6. Step 6: Final answer
    x = 185,685,995.39

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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.