Home / 101,143,502.13-139,563,018.36-61,430,366.91

Finding the Fourth Proportional to 101,143,502.13, 139,563,018.36 and 61,430,366.91

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Solution

The fourth proportional to 101,143,502.13, 139,563,018.36 and 61,430,366.91 is: 84,764,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143,502.13 : 139,563,018.36 = 61,430,366.91 : x
  2. Step 2: Convert to fraction form
    101,143,502.13/139,563,018.36 = 61,430,366.91/x
  3. Step 3: Cross multiply
    101,143,502.13x = 139,563,018.36 × 61,430,366.91
  4. Step 4: Simplify right side
    101,143,502.13x = 8,573,407,424,921,867
  5. Step 5: Solve for x
    x = 8,573,407,424,921,867/101,143,502.13
  6. Step 6: Final answer
    x = 84,764,787.10

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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.