Home / 217,151,663.72-299,671,301.52-118,032,644.12

Finding the Fourth Proportional to 217,151,663.72, 299,671,301.52 and 118,032,644.12

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Solution

The fourth proportional to 217,151,663.72, 299,671,301.52 and 118,032,644.12 is: 162,886,139.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,151,663.72 : 299,671,301.52 = 118,032,644.12 : x
  2. Step 2: Convert to fraction form
    217,151,663.72/299,671,301.52 = 118,032,644.12/x
  3. Step 3: Cross multiply
    217,151,663.72x = 299,671,301.52 × 118,032,644.12
  4. Step 4: Simplify right side
    217,151,663.72x = 35,370,996,085,287,376
  5. Step 5: Solve for x
    x = 35,370,996,085,287,376/217,151,663.72
  6. Step 6: Final answer
    x = 162,886,139.02

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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.