Home / 99,456,300.60-149,184,450.90-72,582,444.60

Finding the Fourth Proportional to 99,456,300.60, 149,184,450.90 and 72,582,444.60

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Solution

The fourth proportional to 99,456,300.60, 149,184,450.90 and 72,582,444.60 is: 108,873,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,456,300.60 : 149,184,450.90 = 72,582,444.60 : x
  2. Step 2: Convert to fraction form
    99,456,300.60/149,184,450.90 = 72,582,444.60/x
  3. Step 3: Cross multiply
    99,456,300.60x = 149,184,450.90 × 72,582,444.60
  4. Step 4: Simplify right side
    99,456,300.60x = 10,828,172,142,630,670
  5. Step 5: Solve for x
    x = 10,828,172,142,630,670/99,456,300.60
  6. Step 6: Final answer
    x = 108,873,666.90

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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.