Home / 124,843,645.17-172,283,980.73-69,839,501.67

Finding the Fourth Proportional to 124,843,645.17, 172,283,980.73 and 69,839,501.67

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Solution

The fourth proportional to 124,843,645.17, 172,283,980.73 and 69,839,501.67 is: 96,378,372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,843,645.17 : 172,283,980.73 = 69,839,501.67 : x
  2. Step 2: Convert to fraction form
    124,843,645.17/172,283,980.73 = 69,839,501.67/x
  3. Step 3: Cross multiply
    124,843,645.17x = 172,283,980.73 × 69,839,501.67
  4. Step 4: Simplify right side
    124,843,645.17x = 12,032,227,359,557,886
  5. Step 5: Solve for x
    x = 12,032,227,359,557,886/124,843,645.17
  6. Step 6: Final answer
    x = 96,378,372.67

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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.