Home / 99,069,014.80-148,603,522.20-53,152,512.40

Finding the Fourth Proportional to 99,069,014.80, 148,603,522.20 and 53,152,512.40

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Solution

The fourth proportional to 99,069,014.80, 148,603,522.20 and 53,152,512.40 is: 79,728,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,069,014.80 : 148,603,522.20 = 53,152,512.40 : x
  2. Step 2: Convert to fraction form
    99,069,014.80/148,603,522.20 = 53,152,512.40/x
  3. Step 3: Cross multiply
    99,069,014.80x = 148,603,522.20 × 53,152,512.40
  4. Step 4: Simplify right side
    99,069,014.80x = 7,898,650,556,419,174
  5. Step 5: Solve for x
    x = 7,898,650,556,419,174/99,069,014.80
  6. Step 6: Final answer
    x = 79,728,768.60

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1.5x scale

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.