Home / 100,734,712.40-151,164,276.60-40,144,120.40

Finding the Fourth Proportional to 100,734,712.40, 151,164,276.60 and 40,144,120.40

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Solution

The fourth proportional to 100,734,712.40, 151,164,276.60 and 40,144,120.40 is: 60,240,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,734,712.40 : 151,164,276.60 = 40,144,120.40 : x
  2. Step 2: Convert to fraction form
    100,734,712.40/151,164,276.60 = 40,144,120.40/x
  3. Step 3: Cross multiply
    100,734,712.40x = 151,164,276.60 × 40,144,120.40
  4. Step 4: Simplify right side
    100,734,712.40x = 6,068,356,920,009,302
  5. Step 5: Solve for x
    x = 6,068,356,920,009,302/100,734,712.40
  6. Step 6: Final answer
    x = 60,240,971.31

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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.