Home / 85,360,277.06-128,040,507.95-39,953,958.02

Finding the Fourth Proportional to 85,360,277.06, 128,040,507.95 and 39,953,958.02

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Solution

The fourth proportional to 85,360,277.06, 128,040,507.95 and 39,953,958.02 is: 59,930,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,360,277.06 : 128,040,507.95 = 39,953,958.02 : x
  2. Step 2: Convert to fraction form
    85,360,277.06/128,040,507.95 = 39,953,958.02/x
  3. Step 3: Cross multiply
    85,360,277.06x = 128,040,507.95 × 39,953,958.02
  4. Step 4: Simplify right side
    85,360,277.06x = 5,115,725,078,653,804
  5. Step 5: Solve for x
    x = 5,115,725,078,653,804/85,360,277.06
  6. Step 6: Final answer
    x = 59,930,980.25

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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.