Home / 48,086,860.48-66,366,989.76-30,447,402.56

Finding the Fourth Proportional to 48,086,860.48, 66,366,989.76 and 30,447,402.56

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Solution

The fourth proportional to 48,086,860.48, 66,366,989.76 and 30,447,402.56 is: 42,021,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,086,860.48 : 66,366,989.76 = 30,447,402.56 : x
  2. Step 2: Convert to fraction form
    48,086,860.48/66,366,989.76 = 30,447,402.56/x
  3. Step 3: Cross multiply
    48,086,860.48x = 66,366,989.76 × 30,447,402.56
  4. Step 4: Simplify right side
    48,086,860.48x = 2,020,702,453,918,117.75
  5. Step 5: Solve for x
    x = 2,020,702,453,918,117.75/48,086,860.48
  6. Step 6: Final answer
    x = 42,021,925.19

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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.