Home / 73,685,840.40-110,528,760.60-68,902,871.40

Finding the Fourth Proportional to 73,685,840.40, 110,528,760.60 and 68,902,871.40

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Solution

The fourth proportional to 73,685,840.40, 110,528,760.60 and 68,902,871.40 is: 103,354,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,685,840.40 : 110,528,760.60 = 68,902,871.40 : x
  2. Step 2: Convert to fraction form
    73,685,840.40/110,528,760.60 = 68,902,871.40/x
  3. Step 3: Cross multiply
    73,685,840.40x = 110,528,760.60 × 68,902,871.40
  4. Step 4: Simplify right side
    73,685,840.40x = 7,615,748,977,623,187
  5. Step 5: Solve for x
    x = 7,615,748,977,623,187/73,685,840.40
  6. Step 6: Final answer
    x = 103,354,307.10

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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.