Home / 48,117,008.40-72,175,512.60-45,282,656.40

Finding the Fourth Proportional to 48,117,008.40, 72,175,512.60 and 45,282,656.40

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Solution

The fourth proportional to 48,117,008.40, 72,175,512.60 and 45,282,656.40 is: 67,923,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,117,008.40 : 72,175,512.60 = 45,282,656.40 : x
  2. Step 2: Convert to fraction form
    48,117,008.40/72,175,512.60 = 45,282,656.40/x
  3. Step 3: Cross multiply
    48,117,008.40x = 72,175,512.60 × 45,282,656.40
  4. Step 4: Simplify right side
    48,117,008.40x = 3,268,298,937,559,670.50
  5. Step 5: Solve for x
    x = 3,268,298,937,559,670.50/48,117,008.40
  6. Step 6: Final answer
    x = 67,923,984.60

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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.