Home / 374,680,138.77-517,064,712.91-205,131,547.69

Finding the Fourth Proportional to 374,680,138.77, 517,064,712.91 and 205,131,547.69

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Solution

The fourth proportional to 374,680,138.77, 517,064,712.91 and 205,131,547.69 is: 283,084,887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,680,138.77 : 517,064,712.91 = 205,131,547.69 : x
  2. Step 2: Convert to fraction form
    374,680,138.77/517,064,712.91 = 205,131,547.69/x
  3. Step 3: Cross multiply
    374,680,138.77x = 517,064,712.91 × 205,131,547.69
  4. Step 4: Simplify right side
    374,680,138.77x = 106,066,284,813,308,336
  5. Step 5: Solve for x
    x = 106,066,284,813,308,336/374,680,138.77
  6. Step 6: Final answer
    x = 283,084,887.18

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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.