Home / 99,290,688.60-148,936,032.90-48,272,352.60

Finding the Fourth Proportional to 99,290,688.60, 148,936,032.90 and 48,272,352.60

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Solution

The fourth proportional to 99,290,688.60, 148,936,032.90 and 48,272,352.60 is: 72,408,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,290,688.60 : 148,936,032.90 = 48,272,352.60 : x
  2. Step 2: Convert to fraction form
    99,290,688.60/148,936,032.90 = 48,272,352.60/x
  3. Step 3: Cross multiply
    99,290,688.60x = 148,936,032.90 × 48,272,352.60
  4. Step 4: Simplify right side
    99,290,688.60x = 7,189,492,694,994,001
  5. Step 5: Solve for x
    x = 7,189,492,694,994,001/99,290,688.60
  6. Step 6: Final answer
    x = 72,408,528.90

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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.