Home / 145,570,021.16-218,282,015.09-48,491,598.92

Finding the Fourth Proportional to 145,570,021.16, 218,282,015.09 and 48,491,598.92

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Solution

The fourth proportional to 145,570,021.16, 218,282,015.09 and 48,491,598.92 is: 72,713,075.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,570,021.16 : 218,282,015.09 = 48,491,598.92 : x
  2. Step 2: Convert to fraction form
    145,570,021.16/218,282,015.09 = 48,491,598.92/x
  3. Step 3: Cross multiply
    145,570,021.16x = 218,282,015.09 × 48,491,598.92
  4. Step 4: Simplify right side
    145,570,021.16x = 10,584,843,926,223,486
  5. Step 5: Solve for x
    x = 10,584,843,926,223,486/145,570,021.16
  6. Step 6: Final answer
    x = 72,713,075.41

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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.