Home / 123,696,075.80-185,544,113.70-112,925,538.20

Finding the Fourth Proportional to 123,696,075.80, 185,544,113.70 and 112,925,538.20

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Solution

The fourth proportional to 123,696,075.80, 185,544,113.70 and 112,925,538.20 is: 169,388,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,696,075.80 : 185,544,113.70 = 112,925,538.20 : x
  2. Step 2: Convert to fraction form
    123,696,075.80/185,544,113.70 = 112,925,538.20/x
  3. Step 3: Cross multiply
    123,696,075.80x = 185,544,113.70 × 112,925,538.20
  4. Step 4: Simplify right side
    123,696,075.80x = 20,952,668,899,414,492
  5. Step 5: Solve for x
    x = 20,952,668,899,414,492/123,696,075.80
  6. Step 6: Final answer
    x = 169,388,307.30

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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.