Home / 65,821,301.28-90,803,248.08-42,623,902.32

Finding the Fourth Proportional to 65,821,301.28, 90,803,248.08 and 42,623,902.32

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Solution

The fourth proportional to 65,821,301.28, 90,803,248.08 and 42,623,902.32 is: 58,801,462.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,821,301.28 : 90,803,248.08 = 42,623,902.32 : x
  2. Step 2: Convert to fraction form
    65,821,301.28/90,803,248.08 = 42,623,902.32/x
  3. Step 3: Cross multiply
    65,821,301.28x = 90,803,248.08 × 42,623,902.32
  4. Step 4: Simplify right side
    65,821,301.28x = 3,870,388,776,500,647.50
  5. Step 5: Solve for x
    x = 3,870,388,776,500,647.50/65,821,301.28
  6. Step 6: Final answer
    x = 58,801,462.46

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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.