Home / 108,642,271.11-149,900,090.72-68,935,324.35

Finding the Fourth Proportional to 108,642,271.11, 149,900,090.72 and 68,935,324.35

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Solution

The fourth proportional to 108,642,271.11, 149,900,090.72 and 68,935,324.35 is: 95,114,095.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,642,271.11 : 149,900,090.72 = 68,935,324.35 : x
  2. Step 2: Convert to fraction form
    108,642,271.11/149,900,090.72 = 68,935,324.35/x
  3. Step 3: Cross multiply
    108,642,271.11x = 149,900,090.72 × 68,935,324.35
  4. Step 4: Simplify right side
    108,642,271.11x = 10,333,411,373,532,948
  5. Step 5: Solve for x
    x = 10,333,411,373,532,948/108,642,271.11
  6. Step 6: Final answer
    x = 95,114,095.72

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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.