Home / 77,845,077.60-116,767,616.40-49,179,631.20

Finding the Fourth Proportional to 77,845,077.60, 116,767,616.40 and 49,179,631.20

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Solution

The fourth proportional to 77,845,077.60, 116,767,616.40 and 49,179,631.20 is: 73,769,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,845,077.60 : 116,767,616.40 = 49,179,631.20 : x
  2. Step 2: Convert to fraction form
    77,845,077.60/116,767,616.40 = 49,179,631.20/x
  3. Step 3: Cross multiply
    77,845,077.60x = 116,767,616.40 × 49,179,631.20
  4. Step 4: Simplify right side
    77,845,077.60x = 5,742,588,310,655,072
  5. Step 5: Solve for x
    x = 5,742,588,310,655,072/77,845,077.60
  6. Step 6: Final answer
    x = 73,769,446.80

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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.