Home / 89,907,602.28-124,072,800.10-48,654,483.88

Finding the Fourth Proportional to 89,907,602.28, 124,072,800.10 and 48,654,483.88

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Solution

The fourth proportional to 89,907,602.28, 124,072,800.10 and 48,654,483.88 is: 67,143,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,907,602.28 : 124,072,800.10 = 48,654,483.88 : x
  2. Step 2: Convert to fraction form
    89,907,602.28/124,072,800.10 = 48,654,483.88/x
  3. Step 3: Cross multiply
    89,907,602.28x = 124,072,800.10 × 48,654,483.88
  4. Step 4: Simplify right side
    89,907,602.28x = 6,036,698,052,411,912
  5. Step 5: Solve for x
    x = 6,036,698,052,411,912/89,907,602.28
  6. Step 6: Final answer
    x = 67,143,354.95

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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.