Home / 73,748,862.72-101,773,448.73-40,709,130.66

Finding the Fourth Proportional to 73,748,862.72, 101,773,448.73 and 40,709,130.66

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Solution

The fourth proportional to 73,748,862.72, 101,773,448.73 and 40,709,130.66 is: 56,178,610.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,748,862.72 : 101,773,448.73 = 40,709,130.66 : x
  2. Step 2: Convert to fraction form
    73,748,862.72/101,773,448.73 = 40,709,130.66/x
  3. Step 3: Cross multiply
    73,748,862.72x = 101,773,448.73 × 40,709,130.66
  4. Step 4: Simplify right side
    73,748,862.72x = 4,143,108,622,068,381
  5. Step 5: Solve for x
    x = 4,143,108,622,068,381/73,748,862.72
  6. Step 6: Final answer
    x = 56,178,610.34

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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.