Home / 77,609,193.80-116,413,790.70-26,492,880.20

Finding the Fourth Proportional to 77,609,193.80, 116,413,790.70 and 26,492,880.20

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Solution

The fourth proportional to 77,609,193.80, 116,413,790.70 and 26,492,880.20 is: 39,739,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,609,193.80 : 116,413,790.70 = 26,492,880.20 : x
  2. Step 2: Convert to fraction form
    77,609,193.80/116,413,790.70 = 26,492,880.20/x
  3. Step 3: Cross multiply
    77,609,193.80x = 116,413,790.70 × 26,492,880.20
  4. Step 4: Simplify right side
    77,609,193.80x = 3,084,136,610,642,974
  5. Step 5: Solve for x
    x = 3,084,136,610,642,974/77,609,193.80
  6. Step 6: Final answer
    x = 39,739,320.30

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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.