Home / 72,338,756.95-99,825,181.68-41,398,261.93

Finding the Fourth Proportional to 72,338,756.95, 99,825,181.68 and 41,398,261.93

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Solution

The fourth proportional to 72,338,756.95, 99,825,181.68 and 41,398,261.93 is: 57,128,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,338,756.95 : 99,825,181.68 = 41,398,261.93 : x
  2. Step 2: Convert to fraction form
    72,338,756.95/99,825,181.68 = 41,398,261.93/x
  3. Step 3: Cross multiply
    72,338,756.95x = 99,825,181.68 × 41,398,261.93
  4. Step 4: Simplify right side
    72,338,756.95x = 4,132,589,018,398,477.50
  5. Step 5: Solve for x
    x = 4,132,589,018,398,477.50/72,338,756.95
  6. Step 6: Final answer
    x = 57,128,283.55

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