Home / 99,068,822.80-148,603,234.20-53,152,320.40

Finding the Fourth Proportional to 99,068,822.80, 148,603,234.20 and 53,152,320.40

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Solution

The fourth proportional to 99,068,822.80, 148,603,234.20 and 53,152,320.40 is: 79,728,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,068,822.80 : 148,603,234.20 = 53,152,320.40 : x
  2. Step 2: Convert to fraction form
    99,068,822.80/148,603,234.20 = 53,152,320.40/x
  3. Step 3: Cross multiply
    99,068,822.80x = 148,603,234.20 × 53,152,320.40
  4. Step 4: Simplify right side
    99,068,822.80x = 7,898,606,716,674,637
  5. Step 5: Solve for x
    x = 7,898,606,716,674,637/99,068,822.80
  6. Step 6: Final answer
    x = 79,728,480.60

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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.