Home / 78,832,631.70-118,248,947.55-78,832,631.70

Finding the Fourth Proportional to 78,832,631.70, 118,248,947.55 and 78,832,631.70

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Solution

The fourth proportional to 78,832,631.70, 118,248,947.55 and 78,832,631.70 is: 118,248,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,832,631.70 : 118,248,947.55 = 78,832,631.70 : x
  2. Step 2: Convert to fraction form
    78,832,631.70/118,248,947.55 = 78,832,631.70/x
  3. Step 3: Cross multiply
    78,832,631.70x = 118,248,947.55 × 78,832,631.70
  4. Step 4: Simplify right side
    78,832,631.70x = 9,321,875,731,121,768
  5. Step 5: Solve for x
    x = 9,321,875,731,121,768/78,832,631.70
  6. Step 6: Final answer
    x = 118,248,947.55

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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.