Home / 157,004,871.03-216,666,731.93-87,388,757.37

Finding the Fourth Proportional to 157,004,871.03, 216,666,731.93 and 87,388,757.37

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Solution

The fourth proportional to 157,004,871.03, 216,666,731.93 and 87,388,757.37 is: 120,596,490.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,004,871.03 : 216,666,731.93 = 87,388,757.37 : x
  2. Step 2: Convert to fraction form
    157,004,871.03/216,666,731.93 = 87,388,757.37/x
  3. Step 3: Cross multiply
    157,004,871.03x = 216,666,731.93 × 87,388,757.37
  4. Step 4: Simplify right side
    157,004,871.03x = 18,934,236,466,344,660
  5. Step 5: Solve for x
    x = 18,934,236,466,344,660/157,004,871.03
  6. Step 6: Final answer
    x = 120,596,490.68

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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.