Home / 56,688,352.72-78,232,417.32-31,910,138.44

Finding the Fourth Proportional to 56,688,352.72, 78,232,417.32 and 31,910,138.44

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Solution

The fourth proportional to 56,688,352.72, 78,232,417.32 and 31,910,138.44 is: 44,037,393.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,688,352.72 : 78,232,417.32 = 31,910,138.44 : x
  2. Step 2: Convert to fraction form
    56,688,352.72/78,232,417.32 = 31,910,138.44/x
  3. Step 3: Cross multiply
    56,688,352.72x = 78,232,417.32 × 31,910,138.44
  4. Step 4: Simplify right side
    56,688,352.72x = 2,496,407,267,177,053.50
  5. Step 5: Solve for x
    x = 2,496,407,267,177,053.50/56,688,352.72
  6. Step 6: Final answer
    x = 44,037,393.00

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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.