Home / 66,502,038.40-99,697,761.60-28,192,969.60

Finding the Fourth Proportional to 66,502,038.40, 99,697,761.60 and 28,192,969.60

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Solution

The fourth proportional to 66,502,038.40, 99,697,761.60 and 28,192,969.60 is: 42,266,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,502,038.40 : 99,697,761.60 = 28,192,969.60 : x
  2. Step 2: Convert to fraction form
    66,502,038.40/99,697,761.60 = 28,192,969.60/x
  3. Step 3: Cross multiply
    66,502,038.40x = 99,697,761.60 × 28,192,969.60
  4. Step 4: Simplify right side
    66,502,038.40x = 2,810,775,961,976,847.50
  5. Step 5: Solve for x
    x = 2,810,775,961,976,847.50/66,502,038.40
  6. Step 6: Final answer
    x = 42,266,012.13

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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.