Home / 67,871,391-93,661,732.26-36,931,027.20

Finding the Fourth Proportional to 67,871,391, 93,661,732.26 and 36,931,027.20

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Solution

The fourth proportional to 67,871,391, 93,661,732.26 and 36,931,027.20 is: 50,964,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,871,391 : 93,661,732.26 = 36,931,027.20 : x
  2. Step 2: Convert to fraction form
    67,871,391/93,661,732.26 = 36,931,027.20/x
  3. Step 3: Cross multiply
    67,871,391x = 93,661,732.26 × 36,931,027.20
  4. Step 4: Simplify right side
    67,871,391x = 3,459,023,981,693,178
  5. Step 5: Solve for x
    x = 3,459,023,981,693,178/67,871,391
  6. Step 6: Final answer
    x = 50,964,389.13

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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.