Home / 78,734,659.40-118,101,989.10-44,722,435.40

Finding the Fourth Proportional to 78,734,659.40, 118,101,989.10 and 44,722,435.40

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Solution

The fourth proportional to 78,734,659.40, 118,101,989.10 and 44,722,435.40 is: 67,083,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,734,659.40 : 118,101,989.10 = 44,722,435.40 : x
  2. Step 2: Convert to fraction form
    78,734,659.40/118,101,989.10 = 44,722,435.40/x
  3. Step 3: Cross multiply
    78,734,659.40x = 118,101,989.10 × 44,722,435.40
  4. Step 4: Simplify right side
    78,734,659.40x = 5,281,808,578,136,254
  5. Step 5: Solve for x
    x = 5,281,808,578,136,254/78,734,659.40
  6. Step 6: Final answer
    x = 67,083,653.10

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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.