Home / 62,871,128.40-94,306,692.60-55,312,856.40

Finding the Fourth Proportional to 62,871,128.40, 94,306,692.60 and 55,312,856.40

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Solution

The fourth proportional to 62,871,128.40, 94,306,692.60 and 55,312,856.40 is: 82,969,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,871,128.40 : 94,306,692.60 = 55,312,856.40 : x
  2. Step 2: Convert to fraction form
    62,871,128.40/94,306,692.60 = 55,312,856.40/x
  3. Step 3: Cross multiply
    62,871,128.40x = 94,306,692.60 × 55,312,856.40
  4. Step 4: Simplify right side
    62,871,128.40x = 5,216,372,545,342,742
  5. Step 5: Solve for x
    x = 5,216,372,545,342,742/62,871,128.40
  6. Step 6: Final answer
    x = 82,969,284.60

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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.