Home / 108,804,931.40-163,207,397.10-76,493,318.60

Finding the Fourth Proportional to 108,804,931.40, 163,207,397.10 and 76,493,318.60

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Solution

The fourth proportional to 108,804,931.40, 163,207,397.10 and 76,493,318.60 is: 114,739,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,804,931.40 : 163,207,397.10 = 76,493,318.60 : x
  2. Step 2: Convert to fraction form
    108,804,931.40/163,207,397.10 = 76,493,318.60/x
  3. Step 3: Cross multiply
    108,804,931.40x = 163,207,397.10 × 76,493,318.60
  4. Step 4: Simplify right side
    108,804,931.40x = 12,484,275,424,247,014
  5. Step 5: Solve for x
    x = 12,484,275,424,247,014/108,804,931.40
  6. Step 6: Final answer
    x = 114,739,977.90

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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.