Home / 56,853,622.34-78,457,998.90-30,748,140.04

Finding the Fourth Proportional to 56,853,622.34, 78,457,998.90 and 30,748,140.04

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Solution

The fourth proportional to 56,853,622.34, 78,457,998.90 and 30,748,140.04 is: 42,432,433.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,853,622.34 : 78,457,998.90 = 30,748,140.04 : x
  2. Step 2: Convert to fraction form
    56,853,622.34/78,457,998.90 = 30,748,140.04/x
  3. Step 3: Cross multiply
    56,853,622.34x = 78,457,998.90 × 30,748,140.04
  4. Step 4: Simplify right side
    56,853,622.34x = 2,412,437,537,435,366
  5. Step 5: Solve for x
    x = 2,412,437,537,435,366/56,853,622.34
  6. Step 6: Final answer
    x = 42,432,433.29

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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.