Home / 72,463,023.72-99,999,765.66-39,423,460.68

Finding the Fourth Proportional to 72,463,023.72, 99,999,765.66 and 39,423,460.68

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Solution

The fourth proportional to 72,463,023.72, 99,999,765.66 and 39,423,460.68 is: 54,404,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,463,023.72 : 99,999,765.66 = 39,423,460.68 : x
  2. Step 2: Convert to fraction form
    72,463,023.72/99,999,765.66 = 39,423,460.68/x
  3. Step 3: Cross multiply
    72,463,023.72x = 99,999,765.66 × 39,423,460.68
  4. Step 4: Simplify right side
    72,463,023.72x = 3,942,336,829,506,224
  5. Step 5: Solve for x
    x = 3,942,336,829,506,224/72,463,023.72
  6. Step 6: Final answer
    x = 54,404,807.13

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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.