Home / 69,805,484.19-104,572,007.81-54,380,549.28

Finding the Fourth Proportional to 69,805,484.19, 104,572,007.81 and 54,380,549.28

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Solution

The fourth proportional to 69,805,484.19, 104,572,007.81 and 54,380,549.28 is: 81,464,705.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,805,484.19 : 104,572,007.81 = 54,380,549.28 : x
  2. Step 2: Convert to fraction form
    69,805,484.19/104,572,007.81 = 54,380,549.28/x
  3. Step 3: Cross multiply
    69,805,484.19x = 104,572,007.81 × 54,380,549.28
  4. Step 4: Simplify right side
    69,805,484.19x = 5,686,683,223,748,348
  5. Step 5: Solve for x
    x = 5,686,683,223,748,348/69,805,484.19
  6. Step 6: Final answer
    x = 81,464,705.67

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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.