Home / 278,960,632.54-384,956,012.80-153,501,096.08

Finding the Fourth Proportional to 278,960,632.54, 384,956,012.80 and 153,501,096.08

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Solution

The fourth proportional to 278,960,632.54, 384,956,012.80 and 153,501,096.08 is: 211,826,197.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,960,632.54 : 384,956,012.80 = 153,501,096.08 : x
  2. Step 2: Convert to fraction form
    278,960,632.54/384,956,012.80 = 153,501,096.08/x
  3. Step 3: Cross multiply
    278,960,632.54x = 384,956,012.80 × 153,501,096.08
  4. Step 4: Simplify right side
    278,960,632.54x = 59,091,169,907,386,520
  5. Step 5: Solve for x
    x = 59,091,169,907,386,520/278,960,632.54
  6. Step 6: Final answer
    x = 211,826,197.01

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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.