Home / 356,864,963.51-535,301,138.15-107,872,288.65

Finding the Fourth Proportional to 356,864,963.51, 535,301,138.15 and 107,872,288.65

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Solution

The fourth proportional to 356,864,963.51, 535,301,138.15 and 107,872,288.65 is: 161,809,549.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,864,963.51 : 535,301,138.15 = 107,872,288.65 : x
  2. Step 2: Convert to fraction form
    356,864,963.51/535,301,138.15 = 107,872,288.65/x
  3. Step 3: Cross multiply
    356,864,963.51x = 535,301,138.15 × 107,872,288.65
  4. Step 4: Simplify right side
    356,864,963.51x = 57,744,158,889,190,328
  5. Step 5: Solve for x
    x = 57,744,158,889,190,328/356,864,963.51
  6. Step 6: Final answer
    x = 161,809,549.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.