Home / 99,709,427.20-149,564,140.80-93,662,809.60

Finding the Fourth Proportional to 99,709,427.20, 149,564,140.80 and 93,662,809.60

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Solution

The fourth proportional to 99,709,427.20, 149,564,140.80 and 93,662,809.60 is: 140,494,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,709,427.20 : 149,564,140.80 = 93,662,809.60 : x
  2. Step 2: Convert to fraction form
    99,709,427.20/149,564,140.80 = 93,662,809.60/x
  3. Step 3: Cross multiply
    99,709,427.20x = 149,564,140.80 × 93,662,809.60
  4. Step 4: Simplify right side
    99,709,427.20x = 14,008,597,642,737,992
  5. Step 5: Solve for x
    x = 14,008,597,642,737,992/99,709,427.20
  6. Step 6: Final answer
    x = 140,494,214.40

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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.