Home / 147,738,741.18-221,631,925.77-45,502,731.42

Finding the Fourth Proportional to 147,738,741.18, 221,631,925.77 and 45,502,731.42

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Solution

The fourth proportional to 147,738,741.18, 221,631,925.77 and 45,502,731.42 is: 68,261,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,738,741.18 : 221,631,925.77 = 45,502,731.42 : x
  2. Step 2: Convert to fraction form
    147,738,741.18/221,631,925.77 = 45,502,731.42/x
  3. Step 3: Cross multiply
    147,738,741.18x = 221,631,925.77 × 45,502,731.42
  4. Step 4: Simplify right side
    147,738,741.18x = 10,084,857,992,409,688
  5. Step 5: Solve for x
    x = 10,084,857,992,409,688/147,738,741.18
  6. Step 6: Final answer
    x = 68,261,431.71

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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.