Home / 74,871,377.40-112,307,066.10-73,737,636.60

Finding the Fourth Proportional to 74,871,377.40, 112,307,066.10 and 73,737,636.60

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Solution

The fourth proportional to 74,871,377.40, 112,307,066.10 and 73,737,636.60 is: 110,606,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,871,377.40 : 112,307,066.10 = 73,737,636.60 : x
  2. Step 2: Convert to fraction form
    74,871,377.40/112,307,066.10 = 73,737,636.60/x
  3. Step 3: Cross multiply
    74,871,377.40x = 112,307,066.10 × 73,737,636.60
  4. Step 4: Simplify right side
    74,871,377.40x = 8,281,257,627,693,978
  5. Step 5: Solve for x
    x = 8,281,257,627,693,978/74,871,377.40
  6. Step 6: Final answer
    x = 110,606,454.90

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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.