Home / 151,425,560.89-208,967,421.95-81,810,997.17

Finding the Fourth Proportional to 151,425,560.89, 208,967,421.95 and 81,810,997.17

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Solution

The fourth proportional to 151,425,560.89, 208,967,421.95 and 81,810,997.17 is: 112,899,256.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,425,560.89 : 208,967,421.95 = 81,810,997.17 : x
  2. Step 2: Convert to fraction form
    151,425,560.89/208,967,421.95 = 81,810,997.17/x
  3. Step 3: Cross multiply
    151,425,560.89x = 208,967,421.95 × 81,810,997.17
  4. Step 4: Simplify right side
    151,425,560.89x = 17,095,833,165,773,646
  5. Step 5: Solve for x
    x = 17,095,833,165,773,646/151,425,560.89
  6. Step 6: Final answer
    x = 112,899,256.01

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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.