Home / 71,078,088.27-98,091,550.81-39,716,898.51

Finding the Fourth Proportional to 71,078,088.27, 98,091,550.81 and 39,716,898.51

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Solution

The fourth proportional to 71,078,088.27, 98,091,550.81 and 39,716,898.51 is: 54,811,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,078,088.27 : 98,091,550.81 = 39,716,898.51 : x
  2. Step 2: Convert to fraction form
    71,078,088.27/98,091,550.81 = 39,716,898.51/x
  3. Step 3: Cross multiply
    71,078,088.27x = 98,091,550.81 × 39,716,898.51
  4. Step 4: Simplify right side
    71,078,088.27x = 3,895,892,168,209,278
  5. Step 5: Solve for x
    x = 3,895,892,168,209,278/71,078,088.27
  6. Step 6: Final answer
    x = 54,811,437.15

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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.