Home / 100,436,981.18-150,362,805.58-74,643,492.24

Finding the Fourth Proportional to 100,436,981.18, 150,362,805.58 and 74,643,492.24

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Solution

The fourth proportional to 100,436,981.18, 150,362,805.58 and 74,643,492.24 is: 111,747,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,436,981.18 : 150,362,805.58 = 74,643,492.24 : x
  2. Step 2: Convert to fraction form
    100,436,981.18/150,362,805.58 = 74,643,492.24/x
  3. Step 3: Cross multiply
    100,436,981.18x = 150,362,805.58 × 74,643,492.24
  4. Step 4: Simplify right side
    100,436,981.18x = 11,223,604,911,495,358
  5. Step 5: Solve for x
    x = 11,223,604,911,495,358/100,436,981.18
  6. Step 6: Final answer
    x = 111,747,732.55

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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.