Home / 85,282,403.70-127,818,629.55-57,988,643.70

Finding the Fourth Proportional to 85,282,403.70, 127,818,629.55 and 57,988,643.70

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Solution

The fourth proportional to 85,282,403.70, 127,818,629.55 and 57,988,643.70 is: 86,911,586.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,282,403.70 : 127,818,629.55 = 57,988,643.70 : x
  2. Step 2: Convert to fraction form
    85,282,403.70/127,818,629.55 = 57,988,643.70/x
  3. Step 3: Cross multiply
    85,282,403.70x = 127,818,629.55 × 57,988,643.70
  4. Step 4: Simplify right side
    85,282,403.70x = 7,412,028,967,197,242
  5. Step 5: Solve for x
    x = 7,412,028,967,197,242/85,282,403.70
  6. Step 6: Final answer
    x = 86,911,586.04

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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.