Home / 70,616,794.61-105,925,530.22-21,433,075.17

Finding the Fourth Proportional to 70,616,794.61, 105,925,530.22 and 21,433,075.17

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Solution

The fourth proportional to 70,616,794.61, 105,925,530.22 and 21,433,075.17 is: 32,149,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,616,794.61 : 105,925,530.22 = 21,433,075.17 : x
  2. Step 2: Convert to fraction form
    70,616,794.61/105,925,530.22 = 21,433,075.17/x
  3. Step 3: Cross multiply
    70,616,794.61x = 105,925,530.22 × 21,433,075.17
  4. Step 4: Simplify right side
    70,616,794.61x = 2,270,309,851,627,367
  5. Step 5: Solve for x
    x = 2,270,309,851,627,367/70,616,794.61
  6. Step 6: Final answer
    x = 32,149,715.43

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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.