Home / 82,688,033.60-123,808,101.60-64,772,129.60

Finding the Fourth Proportional to 82,688,033.60, 123,808,101.60 and 64,772,129.60

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Solution

The fourth proportional to 82,688,033.60, 123,808,101.60 and 64,772,129.60 is: 96,982,768.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,688,033.60 : 123,808,101.60 = 64,772,129.60 : x
  2. Step 2: Convert to fraction form
    82,688,033.60/123,808,101.60 = 64,772,129.60/x
  3. Step 3: Cross multiply
    82,688,033.60x = 123,808,101.60 × 64,772,129.60
  4. Step 4: Simplify right side
    82,688,033.60x = 8,019,314,402,365,167
  5. Step 5: Solve for x
    x = 8,019,314,402,365,167/82,688,033.60
  6. Step 6: Final answer
    x = 96,982,768.28

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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.