Home / 278,960,630.54-384,956,010.05-153,501,094.08

Finding the Fourth Proportional to 278,960,630.54, 384,956,010.05 and 153,501,094.08

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Solution

The fourth proportional to 278,960,630.54, 384,956,010.05 and 153,501,094.08 is: 211,826,194.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,960,630.54 : 384,956,010.05 = 153,501,094.08 : x
  2. Step 2: Convert to fraction form
    278,960,630.54/384,956,010.05 = 153,501,094.08/x
  3. Step 3: Cross multiply
    278,960,630.54x = 384,956,010.05 × 153,501,094.08
  4. Step 4: Simplify right side
    278,960,630.54x = 59,091,168,714,578,976
  5. Step 5: Solve for x
    x = 59,091,168,714,578,976/278,960,630.54
  6. Step 6: Final answer
    x = 211,826,194.26

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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.