Home / 77,006,544.48-106,269,105.60-42,199,312.32

Finding the Fourth Proportional to 77,006,544.48, 106,269,105.60 and 42,199,312.32

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Solution

The fourth proportional to 77,006,544.48, 106,269,105.60 and 42,199,312.32 is: 58,235,091.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,006,544.48 : 106,269,105.60 = 42,199,312.32 : x
  2. Step 2: Convert to fraction form
    77,006,544.48/106,269,105.60 = 42,199,312.32/x
  3. Step 3: Cross multiply
    77,006,544.48x = 106,269,105.60 × 42,199,312.32
  4. Step 4: Simplify right side
    77,006,544.48x = 4,484,483,177,181,461
  5. Step 5: Solve for x
    x = 4,484,483,177,181,461/77,006,544.48
  6. Step 6: Final answer
    x = 58,235,091.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.