Home / 190,064,173.72-262,288,549.02-103,144,045.72

Finding the Fourth Proportional to 190,064,173.72, 262,288,549.02 and 103,144,045.72

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Solution

The fourth proportional to 190,064,173.72, 262,288,549.02 and 103,144,045.72 is: 142,338,777.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,064,173.72 : 262,288,549.02 = 103,144,045.72 : x
  2. Step 2: Convert to fraction form
    190,064,173.72/262,288,549.02 = 103,144,045.72/x
  3. Step 3: Cross multiply
    190,064,173.72x = 262,288,549.02 × 103,144,045.72
  4. Step 4: Simplify right side
    190,064,173.72x = 27,053,502,091,951,340
  5. Step 5: Solve for x
    x = 27,053,502,091,951,340/190,064,173.72
  6. Step 6: Final answer
    x = 142,338,777.28

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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.