Home / 163,555,123.28-245,334,821.84-54,380,294.32

Finding the Fourth Proportional to 163,555,123.28, 245,334,821.84 and 54,380,294.32

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Solution

The fourth proportional to 163,555,123.28, 245,334,821.84 and 54,380,294.32 is: 81,571,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,555,123.28 : 245,334,821.84 = 54,380,294.32 : x
  2. Step 2: Convert to fraction form
    163,555,123.28/245,334,821.84 = 54,380,294.32/x
  3. Step 3: Cross multiply
    163,555,123.28x = 245,334,821.84 × 54,380,294.32
  4. Step 4: Simplify right side
    163,555,123.28x = 13,341,379,818,603,964
  5. Step 5: Solve for x
    x = 13,341,379,818,603,964/163,555,123.28
  6. Step 6: Final answer
    x = 81,571,151.98

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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.