Home / 101,813,964.04-140,506,226.94-55,407,210.76

Finding the Fourth Proportional to 101,813,964.04, 140,506,226.94 and 55,407,210.76

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Solution

The fourth proportional to 101,813,964.04, 140,506,226.94 and 55,407,210.76 is: 76,463,559.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,813,964.04 : 140,506,226.94 = 55,407,210.76 : x
  2. Step 2: Convert to fraction form
    101,813,964.04/140,506,226.94 = 55,407,210.76/x
  3. Step 3: Cross multiply
    101,813,964.04x = 140,506,226.94 × 55,407,210.76
  4. Step 4: Simplify right side
    101,813,964.04x = 7,785,058,129,156,969
  5. Step 5: Solve for x
    x = 7,785,058,129,156,969/101,813,964.04
  6. Step 6: Final answer
    x = 76,463,559.81

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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.