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Finding the Fourth Proportional to 298,866,415.20, 448,299,622.80 and 104,996,738.40

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Solution

The fourth proportional to 298,866,415.20, 448,299,622.80 and 104,996,738.40 is: 157,495,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,866,415.20 : 448,299,622.80 = 104,996,738.40 : x
  2. Step 2: Convert to fraction form
    298,866,415.20/448,299,622.80 = 104,996,738.40/x
  3. Step 3: Cross multiply
    298,866,415.20x = 448,299,622.80 × 104,996,738.40
  4. Step 4: Simplify right side
    298,866,415.20x = 47,069,998,219,950,280
  5. Step 5: Solve for x
    x = 47,069,998,219,950,280/298,866,415.20
  6. Step 6: Final answer
    x = 157,495,107.60

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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.