Home / 228,853,809.54-315,816,026.46-124,431,878.70

Finding the Fourth Proportional to 228,853,809.54, 315,816,026.46 and 124,431,878.70

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Solution

The fourth proportional to 228,853,809.54, 315,816,026.46 and 124,431,878.70 is: 171,714,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,853,809.54 : 315,816,026.46 = 124,431,878.70 : x
  2. Step 2: Convert to fraction form
    228,853,809.54/315,816,026.46 = 124,431,878.70/x
  3. Step 3: Cross multiply
    228,853,809.54x = 315,816,026.46 × 124,431,878.70
  4. Step 4: Simplify right side
    228,853,809.54x = 39,297,581,495,986,712
  5. Step 5: Solve for x
    x = 39,297,581,495,986,712/228,853,809.54
  6. Step 6: Final answer
    x = 171,714,779.73

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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.