Home / 93,312,791.80-139,969,187.70-87,639,422.20

Finding the Fourth Proportional to 93,312,791.80, 139,969,187.70 and 87,639,422.20

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Solution

The fourth proportional to 93,312,791.80, 139,969,187.70 and 87,639,422.20 is: 131,459,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,791.80 : 139,969,187.70 = 87,639,422.20 : x
  2. Step 2: Convert to fraction form
    93,312,791.80/139,969,187.70 = 87,639,422.20/x
  3. Step 3: Cross multiply
    93,312,791.80x = 139,969,187.70 × 87,639,422.20
  4. Step 4: Simplify right side
    93,312,791.80x = 12,266,818,735,831,346
  5. Step 5: Solve for x
    x = 12,266,818,735,831,346/93,312,791.80
  6. Step 6: Final answer
    x = 131,459,133.30

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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.