Home / 290,903,646.56-401,455,510.19-158,753,155.10

Finding the Fourth Proportional to 290,903,646.56, 401,455,510.19 and 158,753,155.10

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Solution

The fourth proportional to 290,903,646.56, 401,455,510.19 and 158,753,155.10 is: 219,083,980.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,903,646.56 : 401,455,510.19 = 158,753,155.10 : x
  2. Step 2: Convert to fraction form
    290,903,646.56/401,455,510.19 = 158,753,155.10/x
  3. Step 3: Cross multiply
    290,903,646.56x = 401,455,510.19 × 158,753,155.10
  4. Step 4: Simplify right side
    290,903,646.56x = 63,732,328,872,179,752
  5. Step 5: Solve for x
    x = 63,732,328,872,179,752/290,903,646.56
  6. Step 6: Final answer
    x = 219,083,980.65

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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.