Home / 145,523,154.30-218,315,057.85-48,509,000.70

Finding the Fourth Proportional to 145,523,154.30, 218,315,057.85 and 48,509,000.70

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Solution

The fourth proportional to 145,523,154.30, 218,315,057.85 and 48,509,000.70 is: 72,773,610.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,523,154.30 : 218,315,057.85 = 48,509,000.70 : x
  2. Step 2: Convert to fraction form
    145,523,154.30/218,315,057.85 = 48,509,000.70/x
  3. Step 3: Cross multiply
    145,523,154.30x = 218,315,057.85 × 48,509,000.70
  4. Step 4: Simplify right side
    145,523,154.30x = 10,590,245,294,066,190
  5. Step 5: Solve for x
    x = 10,590,245,294,066,190/145,523,154.30
  6. Step 6: Final answer
    x = 72,773,610.12

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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.