Home / 88,788,105.70-133,143,296.76-47,280,238.40

Finding the Fourth Proportional to 88,788,105.70, 133,143,296.76 and 47,280,238.40

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Solution

The fourth proportional to 88,788,105.70, 133,143,296.76 and 47,280,238.40 is: 70,899,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,788,105.70 : 133,143,296.76 = 47,280,238.40 : x
  2. Step 2: Convert to fraction form
    88,788,105.70/133,143,296.76 = 47,280,238.40/x
  3. Step 3: Cross multiply
    88,788,105.70x = 133,143,296.76 × 47,280,238.40
  4. Step 4: Simplify right side
    88,788,105.70x = 6,295,046,812,507,607
  5. Step 5: Solve for x
    x = 6,295,046,812,507,607/88,788,105.70
  6. Step 6: Final answer
    x = 70,899,663.45

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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.