Home / 99,015,726.72-148,463,055.60-47,216,172.45

Finding the Fourth Proportional to 99,015,726.72, 148,463,055.60 and 47,216,172.45

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Solution

The fourth proportional to 99,015,726.72, 148,463,055.60 and 47,216,172.45 is: 70,795,392.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,015,726.72 : 148,463,055.60 = 47,216,172.45 : x
  2. Step 2: Convert to fraction form
    99,015,726.72/148,463,055.60 = 47,216,172.45/x
  3. Step 3: Cross multiply
    99,015,726.72x = 148,463,055.60 × 47,216,172.45
  4. Step 4: Simplify right side
    99,015,726.72x = 7,009,857,235,397,726
  5. Step 5: Solve for x
    x = 7,009,857,235,397,726/99,015,726.72
  6. Step 6: Final answer
    x = 70,795,392.49

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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.