Home / 55,327,686.66-82,995,515.80-21,249,032.54

Finding the Fourth Proportional to 55,327,686.66, 82,995,515.80 and 21,249,032.54

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Solution

The fourth proportional to 55,327,686.66, 82,995,515.80 and 21,249,032.54 is: 31,875,079.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,327,686.66 : 82,995,515.80 = 21,249,032.54 : x
  2. Step 2: Convert to fraction form
    55,327,686.66/82,995,515.80 = 21,249,032.54/x
  3. Step 3: Cross multiply
    55,327,686.66x = 82,995,515.80 × 21,249,032.54
  4. Step 4: Simplify right side
    55,327,686.66x = 1,763,574,415,908,284
  5. Step 5: Solve for x
    x = 1,763,574,415,908,284/55,327,686.66
  6. Step 6: Final answer
    x = 31,875,079.59

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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.