Home / 112,371,891.40-168,274,401.90-89,697,075.40

Finding the Fourth Proportional to 112,371,891.40, 168,274,401.90 and 89,697,075.40

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Solution

The fourth proportional to 112,371,891.40, 168,274,401.90 and 89,697,075.40 is: 134,319,370.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371,891.40 : 168,274,401.90 = 89,697,075.40 : x
  2. Step 2: Convert to fraction form
    112,371,891.40/168,274,401.90 = 89,697,075.40/x
  3. Step 3: Cross multiply
    112,371,891.40x = 168,274,401.90 × 89,697,075.40
  4. Step 4: Simplify right side
    112,371,891.40x = 15,093,721,715,114,204
  5. Step 5: Solve for x
    x = 15,093,721,715,114,204/112,371,891.40
  6. Step 6: Final answer
    x = 134,319,370.50

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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.