Home / 73,986,530.10-110,979,795.15-70,963,221.30

Finding the Fourth Proportional to 73,986,530.10, 110,979,795.15 and 70,963,221.30

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Solution

The fourth proportional to 73,986,530.10, 110,979,795.15 and 70,963,221.30 is: 106,444,831.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,986,530.10 : 110,979,795.15 = 70,963,221.30 : x
  2. Step 2: Convert to fraction form
    73,986,530.10/110,979,795.15 = 70,963,221.30/x
  3. Step 3: Cross multiply
    73,986,530.10x = 110,979,795.15 × 70,963,221.30
  4. Step 4: Simplify right side
    73,986,530.10x = 7,875,483,763,058,117
  5. Step 5: Solve for x
    x = 7,875,483,763,058,117/73,986,530.10
  6. Step 6: Final answer
    x = 106,444,831.95

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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.