Home / 85,307,642,023.08-117,667,847,510.14-54,862,339,097.51

Finding the Fourth Proportional to 85,307,642,023.08, 117,667,847,510.14 and 54,862,339,097.51

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Solution

The fourth proportional to 85,307,642,023.08, 117,667,847,510.14 and 54,862,339,097.51 is: 75,673,564,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,307,642,023.08 : 117,667,847,510.14 = 54,862,339,097.51 : x
  2. Step 2: Convert to fraction form
    85,307,642,023.08/117,667,847,510.14 = 54,862,339,097.51/x
  3. Step 3: Cross multiply
    85,307,642,023.08x = 117,667,847,510.14 × 54,862,339,097.51
  4. Step 4: Simplify right side
    85,307,642,023.08x = 6,455,533,350,974,809,702,400
  5. Step 5: Solve for x
    x = 6,455,533,350,974,809,702,400/85,307,642,023.08
  6. Step 6: Final answer
    x = 75,673,564,499.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.