Home / 66,048,156.90-99,072,235.35-61,265,187.90

Finding the Fourth Proportional to 66,048,156.90, 99,072,235.35 and 61,265,187.90

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Solution

The fourth proportional to 66,048,156.90, 99,072,235.35 and 61,265,187.90 is: 91,897,781.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,048,156.90 : 99,072,235.35 = 61,265,187.90 : x
  2. Step 2: Convert to fraction form
    66,048,156.90/99,072,235.35 = 61,265,187.90/x
  3. Step 3: Cross multiply
    66,048,156.90x = 99,072,235.35 × 61,265,187.90
  4. Step 4: Simplify right side
    66,048,156.90x = 6,069,679,114,390,772
  5. Step 5: Solve for x
    x = 6,069,679,114,390,772/66,048,156.90
  6. Step 6: Final answer
    x = 91,897,781.85

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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.