Home / 290,592,192.74-401,017,110.83-158,433,297.23

Finding the Fourth Proportional to 290,592,192.74, 401,017,110.83 and 158,433,297.23

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Solution

The fourth proportional to 290,592,192.74, 401,017,110.83 and 158,433,297.23 is: 218,637,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,592,192.74 : 401,017,110.83 = 158,433,297.23 : x
  2. Step 2: Convert to fraction form
    290,592,192.74/401,017,110.83 = 158,433,297.23/x
  3. Step 3: Cross multiply
    290,592,192.74x = 401,017,110.83 × 158,433,297.23
  4. Step 4: Simplify right side
    290,592,192.74x = 63,534,463,115,251,328
  5. Step 5: Solve for x
    x = 63,534,463,115,251,328/290,592,192.74
  6. Step 6: Final answer
    x = 218,637,887.40

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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.