Home / 56,663,140.10-84,994,710.15-18,352,148.90

Finding the Fourth Proportional to 56,663,140.10, 84,994,710.15 and 18,352,148.90

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Solution

The fourth proportional to 56,663,140.10, 84,994,710.15 and 18,352,148.90 is: 27,528,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,663,140.10 : 84,994,710.15 = 18,352,148.90 : x
  2. Step 2: Convert to fraction form
    56,663,140.10/84,994,710.15 = 18,352,148.90/x
  3. Step 3: Cross multiply
    56,663,140.10x = 84,994,710.15 × 18,352,148.90
  4. Step 4: Simplify right side
    56,663,140.10x = 1,559,835,576,385,141.25
  5. Step 5: Solve for x
    x = 1,559,835,576,385,141.25/56,663,140.10
  6. Step 6: Final answer
    x = 27,528,223.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.