Home / 57,092,069.16-78,785,051.67-30,986,061.54

Finding the Fourth Proportional to 57,092,069.16, 78,785,051.67 and 30,986,061.54

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Solution

The fourth proportional to 57,092,069.16, 78,785,051.67 and 30,986,061.54 is: 42,759,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,092,069.16 : 78,785,051.67 = 30,986,061.54 : x
  2. Step 2: Convert to fraction form
    57,092,069.16/78,785,051.67 = 30,986,061.54/x
  3. Step 3: Cross multiply
    57,092,069.16x = 78,785,051.67 × 30,986,061.54
  4. Step 4: Simplify right side
    57,092,069.16x = 2,441,238,459,478,700
  5. Step 5: Solve for x
    x = 2,441,238,459,478,700/57,092,069.16
  6. Step 6: Final answer
    x = 42,759,677.40

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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.