Home / 145,570,056.78-218,282,068.53-48,491,634.54

Finding the Fourth Proportional to 145,570,056.78, 218,282,068.53 and 48,491,634.54

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Solution

The fourth proportional to 145,570,056.78, 218,282,068.53 and 48,491,634.54 is: 72,713,128.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,570,056.78 : 218,282,068.53 = 48,491,634.54 : x
  2. Step 2: Convert to fraction form
    145,570,056.78/218,282,068.53 = 48,491,634.54/x
  3. Step 3: Cross multiply
    145,570,056.78x = 218,282,068.53 × 48,491,634.54
  4. Step 4: Simplify right side
    145,570,056.78x = 10,584,854,293,791,994
  5. Step 5: Solve for x
    x = 10,584,854,293,791,994/145,570,056.78
  6. Step 6: Final answer
    x = 72,713,128.84

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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.