Home / 83,041,427.70-124,562,141.55-76,994,810.10

Finding the Fourth Proportional to 83,041,427.70, 124,562,141.55 and 76,994,810.10

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Solution

The fourth proportional to 83,041,427.70, 124,562,141.55 and 76,994,810.10 is: 115,492,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,041,427.70 : 124,562,141.55 = 76,994,810.10 : x
  2. Step 2: Convert to fraction form
    83,041,427.70/124,562,141.55 = 76,994,810.10/x
  3. Step 3: Cross multiply
    83,041,427.70x = 124,562,141.55 × 76,994,810.10
  4. Step 4: Simplify right side
    83,041,427.70x = 9,590,638,434,291,568
  5. Step 5: Solve for x
    x = 9,590,638,434,291,568/83,041,427.70
  6. Step 6: Final answer
    x = 115,492,215.15

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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.