Home / 73,697,500.80-101,669,659.20-42,739,724.16

Finding the Fourth Proportional to 73,697,500.80, 101,669,659.20 and 42,739,724.16

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Solution

The fourth proportional to 73,697,500.80, 101,669,659.20 and 42,739,724.16 is: 58,961,744.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,697,500.80 : 101,669,659.20 = 42,739,724.16 : x
  2. Step 2: Convert to fraction form
    73,697,500.80/101,669,659.20 = 42,739,724.16/x
  3. Step 3: Cross multiply
    73,697,500.80x = 101,669,659.20 × 42,739,724.16
  4. Step 4: Simplify right side
    73,697,500.80x = 4,345,333,189,649,206
  5. Step 5: Solve for x
    x = 4,345,333,189,649,206/73,697,500.80
  6. Step 6: Final answer
    x = 58,961,744.19

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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.