Home / 65,015,047-89,720,289.66-35,645,895.64

Finding the Fourth Proportional to 65,015,047, 89,720,289.66 and 35,645,895.64

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Solution

The fourth proportional to 65,015,047, 89,720,289.66 and 35,645,895.64 is: 49,191,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,015,047 : 89,720,289.66 = 35,645,895.64 : x
  2. Step 2: Convert to fraction form
    65,015,047/89,720,289.66 = 35,645,895.64/x
  3. Step 3: Cross multiply
    65,015,047x = 89,720,289.66 × 35,645,895.64
  4. Step 4: Simplify right side
    65,015,047x = 3,198,160,082,010,931
  5. Step 5: Solve for x
    x = 3,198,160,082,010,931/65,015,047
  6. Step 6: Final answer
    x = 49,191,075.44

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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.