Home / 278,133,060.80-417,255,578.40-96,342,622.40

Finding the Fourth Proportional to 278,133,060.80, 417,255,578.40 and 96,342,622.40

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Solution

The fourth proportional to 278,133,060.80, 417,255,578.40 and 96,342,622.40 is: 144,533,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,133,060.80 : 417,255,578.40 = 96,342,622.40 : x
  2. Step 2: Convert to fraction form
    278,133,060.80/417,255,578.40 = 96,342,622.40/x
  3. Step 3: Cross multiply
    278,133,060.80x = 417,255,578.40 × 96,342,622.40
  4. Step 4: Simplify right side
    278,133,060.80x = 40,199,496,634,084,800
  5. Step 5: Solve for x
    x = 40,199,496,634,084,800/278,133,060.80
  6. Step 6: Final answer
    x = 144,533,327.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.