Home / 72,603,010.20-108,904,515.30-46,904,885.40

Finding the Fourth Proportional to 72,603,010.20, 108,904,515.30 and 46,904,885.40

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Solution

The fourth proportional to 72,603,010.20, 108,904,515.30 and 46,904,885.40 is: 70,357,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,603,010.20 : 108,904,515.30 = 46,904,885.40 : x
  2. Step 2: Convert to fraction form
    72,603,010.20/108,904,515.30 = 46,904,885.40/x
  3. Step 3: Cross multiply
    72,603,010.20x = 108,904,515.30 × 46,904,885.40
  4. Step 4: Simplify right side
    72,603,010.20x = 5,108,153,809,689,046
  5. Step 5: Solve for x
    x = 5,108,153,809,689,046/72,603,010.20
  6. Step 6: Final answer
    x = 70,357,328.10

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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.