Home / 157,502,606.21-217,353,617.84-86,938,229.73

Finding the Fourth Proportional to 157,502,606.21, 217,353,617.84 and 86,938,229.73

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Solution

The fourth proportional to 157,502,606.21, 217,353,617.84 and 86,938,229.73 is: 119,974,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,502,606.21 : 217,353,617.84 = 86,938,229.73 : x
  2. Step 2: Convert to fraction form
    157,502,606.21/217,353,617.84 = 86,938,229.73/x
  3. Step 3: Cross multiply
    157,502,606.21x = 217,353,617.84 × 86,938,229.73
  4. Step 4: Simplify right side
    157,502,606.21x = 18,896,338,760,637,892
  5. Step 5: Solve for x
    x = 18,896,338,760,637,892/157,502,606.21
  6. Step 6: Final answer
    x = 119,974,768.77

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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.