Home / 84,173,639.60-126,260,459.40-38,824,007.60

Finding the Fourth Proportional to 84,173,639.60, 126,260,459.40 and 38,824,007.60

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Solution

The fourth proportional to 84,173,639.60, 126,260,459.40 and 38,824,007.60 is: 58,236,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,173,639.60 : 126,260,459.40 = 38,824,007.60 : x
  2. Step 2: Convert to fraction form
    84,173,639.60/126,260,459.40 = 38,824,007.60/x
  3. Step 3: Cross multiply
    84,173,639.60x = 126,260,459.40 × 38,824,007.60
  4. Step 4: Simplify right side
    84,173,639.60x = 4,901,937,035,325,092
  5. Step 5: Solve for x
    x = 4,901,937,035,325,092/84,173,639.60
  6. Step 6: Final answer
    x = 58,236,011.40

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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.