Home / 93,197,113.67-128,583,511.88-54,031,072.46

Finding the Fourth Proportional to 93,197,113.67, 128,583,511.88 and 54,031,072.46

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Solution

The fourth proportional to 93,197,113.67, 128,583,511.88 and 54,031,072.46 is: 74,546,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,197,113.67 : 128,583,511.88 = 54,031,072.46 : x
  2. Step 2: Convert to fraction form
    93,197,113.67/128,583,511.88 = 54,031,072.46/x
  3. Step 3: Cross multiply
    93,197,113.67x = 128,583,511.88 × 54,031,072.46
  4. Step 4: Simplify right side
    93,197,113.67x = 6,947,505,046,636,478
  5. Step 5: Solve for x
    x = 6,947,505,046,636,478/93,197,113.67
  6. Step 6: Final answer
    x = 74,546,354.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.