Home / 72,070,364.57-99,455,873.87-39,030,345.23

Finding the Fourth Proportional to 72,070,364.57, 99,455,873.87 and 39,030,345.23

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Solution

The fourth proportional to 72,070,364.57, 99,455,873.87 and 39,030,345.23 is: 53,861,210.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,070,364.57 : 99,455,873.87 = 39,030,345.23 : x
  2. Step 2: Convert to fraction form
    72,070,364.57/99,455,873.87 = 39,030,345.23/x
  3. Step 3: Cross multiply
    72,070,364.57x = 99,455,873.87 × 39,030,345.23
  4. Step 4: Simplify right side
    72,070,364.57x = 3,881,797,091,977,964
  5. Step 5: Solve for x
    x = 3,881,797,091,977,964/72,070,364.57
  6. Step 6: Final answer
    x = 53,861,210.71

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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.