Home / 78,727,106.40-118,090,659.60-44,714,882.40

Finding the Fourth Proportional to 78,727,106.40, 118,090,659.60 and 44,714,882.40

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Solution

The fourth proportional to 78,727,106.40, 118,090,659.60 and 44,714,882.40 is: 67,072,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,727,106.40 : 118,090,659.60 = 44,714,882.40 : x
  2. Step 2: Convert to fraction form
    78,727,106.40/118,090,659.60 = 44,714,882.40/x
  3. Step 3: Cross multiply
    78,727,106.40x = 118,090,659.60 × 44,714,882.40
  4. Step 4: Simplify right side
    78,727,106.40x = 5,280,409,956,552,431
  5. Step 5: Solve for x
    x = 5,280,409,956,552,431/78,727,106.40
  6. Step 6: Final answer
    x = 67,072,323.60

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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.