Home / 99,623,601.60-149,547,376.80-77,004,772.80

Finding the Fourth Proportional to 99,623,601.60, 149,547,376.80 and 77,004,772.80

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Solution

The fourth proportional to 99,623,601.60, 149,547,376.80 and 77,004,772.80 is: 115,593,710.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,623,601.60 : 149,547,376.80 = 77,004,772.80 : x
  2. Step 2: Convert to fraction form
    99,623,601.60/149,547,376.80 = 77,004,772.80/x
  3. Step 3: Cross multiply
    99,623,601.60x = 149,547,376.80 × 77,004,772.80
  4. Step 4: Simplify right side
    99,623,601.60x = 11,515,861,773,319,992
  5. Step 5: Solve for x
    x = 11,515,861,773,319,992/99,623,601.60
  6. Step 6: Final answer
    x = 115,593,710.61

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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.