Home / 105,373,666.23-157,945,195.85-54,258,752.31

Finding the Fourth Proportional to 105,373,666.23, 157,945,195.85 and 54,258,752.31

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Solution

The fourth proportional to 105,373,666.23, 157,945,195.85 and 54,258,752.31 is: 81,328,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,373,666.23 : 157,945,195.85 = 54,258,752.31 : x
  2. Step 2: Convert to fraction form
    105,373,666.23/157,945,195.85 = 54,258,752.31/x
  3. Step 3: Cross multiply
    105,373,666.23x = 157,945,195.85 × 54,258,752.31
  4. Step 4: Simplify right side
    105,373,666.23x = 8,569,909,259,908,296
  5. Step 5: Solve for x
    x = 8,569,909,259,908,296/105,373,666.23
  6. Step 6: Final answer
    x = 81,328,756.67

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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.