Home / 71,271,946.86-98,355,287.46-38,676,898.86

Finding the Fourth Proportional to 71,271,946.86, 98,355,287.46 and 38,676,898.86

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Solution

The fourth proportional to 71,271,946.86, 98,355,287.46 and 38,676,898.86 is: 53,374,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,271,946.86 : 98,355,287.46 = 38,676,898.86 : x
  2. Step 2: Convert to fraction form
    71,271,946.86/98,355,287.46 = 38,676,898.86/x
  3. Step 3: Cross multiply
    71,271,946.86x = 98,355,287.46 × 38,676,898.86
  4. Step 4: Simplify right side
    71,271,946.86x = 3,804,077,505,436,646
  5. Step 5: Solve for x
    x = 3,804,077,505,436,646/71,271,946.86
  6. Step 6: Final answer
    x = 53,374,120.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.