Home / 57,090,005.08-78,784,774.14-30,984,754.84

Finding the Fourth Proportional to 57,090,005.08, 78,784,774.14 and 30,984,754.84

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Solution

The fourth proportional to 57,090,005.08, 78,784,774.14 and 30,984,754.84 is: 42,759,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,090,005.08 : 78,784,774.14 = 30,984,754.84 : x
  2. Step 2: Convert to fraction form
    57,090,005.08/78,784,774.14 = 30,984,754.84/x
  3. Step 3: Cross multiply
    57,090,005.08x = 78,784,774.14 × 30,984,754.84
  4. Step 4: Simplify right side
    57,090,005.08x = 2,441,126,911,852,672
  5. Step 5: Solve for x
    x = 2,441,126,911,852,672/57,090,005.08
  6. Step 6: Final answer
    x = 42,759,269.48

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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.