Home / 211,827,816-292,314,930.32-116,457,630.36

Finding the Fourth Proportional to 211,827,816, 292,314,930.32 and 116,457,630.36

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Solution

The fourth proportional to 211,827,816, 292,314,930.32 and 116,457,630.36 is: 160,707,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,827,816 : 292,314,930.32 = 116,457,630.36 : x
  2. Step 2: Convert to fraction form
    211,827,816/292,314,930.32 = 116,457,630.36/x
  3. Step 3: Cross multiply
    211,827,816x = 292,314,930.32 × 116,457,630.36
  4. Step 4: Simplify right side
    211,827,816x = 34,042,304,103,333,428
  5. Step 5: Solve for x
    x = 34,042,304,103,333,428/211,827,816
  6. Step 6: Final answer
    x = 160,707,430.90

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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.