Home / 71,852,828.32-99,156,944.10-38,813,077.36

Finding the Fourth Proportional to 71,852,828.32, 99,156,944.10 and 38,813,077.36

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Solution

The fourth proportional to 71,852,828.32, 99,156,944.10 and 38,813,077.36 is: 53,562,068.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,852,828.32 : 99,156,944.10 = 38,813,077.36 : x
  2. Step 2: Convert to fraction form
    71,852,828.32/99,156,944.10 = 38,813,077.36/x
  3. Step 3: Cross multiply
    71,852,828.32x = 99,156,944.10 × 38,813,077.36
  4. Step 4: Simplify right side
    71,852,828.32x = 3,848,586,142,134,495.50
  5. Step 5: Solve for x
    x = 3,848,586,142,134,495.50/71,852,828.32
  6. Step 6: Final answer
    x = 53,562,068.91

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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.