Home / 74,871,856.60-112,307,784.90-71,092,720.60

Finding the Fourth Proportional to 74,871,856.60, 112,307,784.90 and 71,092,720.60

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Solution

The fourth proportional to 74,871,856.60, 112,307,784.90 and 71,092,720.60 is: 106,639,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,871,856.60 : 112,307,784.90 = 71,092,720.60 : x
  2. Step 2: Convert to fraction form
    74,871,856.60/112,307,784.90 = 71,092,720.60/x
  3. Step 3: Cross multiply
    74,871,856.60x = 112,307,784.90 × 71,092,720.60
  4. Step 4: Simplify right side
    74,871,856.60x = 7,984,265,973,100,599
  5. Step 5: Solve for x
    x = 7,984,265,973,100,599/74,871,856.60
  6. Step 6: Final answer
    x = 106,639,080.90

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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.