Home / 73,685,820.40-110,528,730.60-68,902,851.40

Finding the Fourth Proportional to 73,685,820.40, 110,528,730.60 and 68,902,851.40

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Solution

The fourth proportional to 73,685,820.40, 110,528,730.60 and 68,902,851.40 is: 103,354,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,685,820.40 : 110,528,730.60 = 68,902,851.40 : x
  2. Step 2: Convert to fraction form
    73,685,820.40/110,528,730.60 = 68,902,851.40/x
  3. Step 3: Cross multiply
    73,685,820.40x = 110,528,730.60 × 68,902,851.40
  4. Step 4: Simplify right side
    73,685,820.40x = 7,615,744,699,962,433
  5. Step 5: Solve for x
    x = 7,615,744,699,962,433/73,685,820.40
  6. Step 6: Final answer
    x = 103,354,277.10

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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.