Home / 280,850,252.40-421,276,690.80-99,097,430.40

Finding the Fourth Proportional to 280,850,252.40, 421,276,690.80 and 99,097,430.40

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Solution

The fourth proportional to 280,850,252.40, 421,276,690.80 and 99,097,430.40 is: 148,646,608.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,850,252.40 : 421,276,690.80 = 99,097,430.40 : x
  2. Step 2: Convert to fraction form
    280,850,252.40/421,276,690.80 = 99,097,430.40/x
  3. Step 3: Cross multiply
    280,850,252.40x = 421,276,690.80 × 99,097,430.40
  4. Step 4: Simplify right side
    280,850,252.40x = 41,747,437,545,695,328
  5. Step 5: Solve for x
    x = 41,747,437,545,695,328/280,850,252.40
  6. Step 6: Final answer
    x = 148,646,608.61

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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.