Home / 102,003,285.87-140,767,829.34-57,949,484.16

Finding the Fourth Proportional to 102,003,285.87, 140,767,829.34 and 57,949,484.16

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Solution

The fourth proportional to 102,003,285.87, 140,767,829.34 and 57,949,484.16 is: 79,972,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,003,285.87 : 140,767,829.34 = 57,949,484.16 : x
  2. Step 2: Convert to fraction form
    102,003,285.87/140,767,829.34 = 57,949,484.16/x
  3. Step 3: Cross multiply
    102,003,285.87x = 140,767,829.34 × 57,949,484.16
  4. Step 4: Simplify right side
    102,003,285.87x = 8,157,423,096,575,913
  5. Step 5: Solve for x
    x = 8,157,423,096,575,913/102,003,285.87
  6. Step 6: Final answer
    x = 79,972,159.98

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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.