Home / 82,791,253.44-113,424,428.34-79,688,279.52

Finding the Fourth Proportional to 82,791,253.44, 113,424,428.34 and 79,688,279.52

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Solution

The fourth proportional to 82,791,253.44, 113,424,428.34 and 79,688,279.52 is: 109,173,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,791,253.44 : 113,424,428.34 = 79,688,279.52 : x
  2. Step 2: Convert to fraction form
    82,791,253.44/113,424,428.34 = 79,688,279.52/x
  3. Step 3: Cross multiply
    82,791,253.44x = 113,424,428.34 × 79,688,279.52
  4. Step 4: Simplify right side
    82,791,253.44x = 9,038,597,549,954,130
  5. Step 5: Solve for x
    x = 9,038,597,549,954,130/82,791,253.44
  6. Step 6: Final answer
    x = 109,173,338.66

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.