Home / 70,171,403.16-105,051,854.73-40,935,849.60

Finding the Fourth Proportional to 70,171,403.16, 105,051,854.73 and 40,935,849.60

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Solution

The fourth proportional to 70,171,403.16, 105,051,854.73 and 40,935,849.60 is: 61,284,037.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,171,403.16 : 105,051,854.73 = 40,935,849.60 : x
  2. Step 2: Convert to fraction form
    70,171,403.16/105,051,854.73 = 40,935,849.60/x
  3. Step 3: Cross multiply
    70,171,403.16x = 105,051,854.73 × 40,935,849.60
  4. Step 4: Simplify right side
    70,171,403.16x = 4,300,386,925,428,329
  5. Step 5: Solve for x
    x = 4,300,386,925,428,329/70,171,403.16
  6. Step 6: Final answer
    x = 61,284,037.82

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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.