Home / 106,243,707.70-159,365,561.55-97,173,781.30

Finding the Fourth Proportional to 106,243,707.70, 159,365,561.55 and 97,173,781.30

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Solution

The fourth proportional to 106,243,707.70, 159,365,561.55 and 97,173,781.30 is: 145,760,671.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,243,707.70 : 159,365,561.55 = 97,173,781.30 : x
  2. Step 2: Convert to fraction form
    106,243,707.70/159,365,561.55 = 97,173,781.30/x
  3. Step 3: Cross multiply
    106,243,707.70x = 159,365,561.55 × 97,173,781.30
  4. Step 4: Simplify right side
    106,243,707.70x = 15,486,154,224,811,390
  5. Step 5: Solve for x
    x = 15,486,154,224,811,390/106,243,707.70
  6. Step 6: Final answer
    x = 145,760,671.95

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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.