Home / 55,913,128.14-83,875,430.91-21,398,563.11

Finding the Fourth Proportional to 55,913,128.14, 83,875,430.91 and 21,398,563.11

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Solution

The fourth proportional to 55,913,128.14, 83,875,430.91 and 21,398,563.11 is: 32,100,040.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,913,128.14 : 83,875,430.91 = 21,398,563.11 : x
  2. Step 2: Convert to fraction form
    55,913,128.14/83,875,430.91 = 21,398,563.11/x
  3. Step 3: Cross multiply
    55,913,128.14x = 83,875,430.91 × 21,398,563.11
  4. Step 4: Simplify right side
    55,913,128.14x = 1,794,813,701,706,079.50
  5. Step 5: Solve for x
    x = 1,794,813,701,706,079.50/55,913,128.14
  6. Step 6: Final answer
    x = 32,100,040.93

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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.