Home / 109,307,328.20-163,937,372.70-47,896,368.20

Finding the Fourth Proportional to 109,307,328.20, 163,937,372.70 and 47,896,368.20

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Solution

The fourth proportional to 109,307,328.20, 163,937,372.70 and 47,896,368.20 is: 71,834,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,307,328.20 : 163,937,372.70 = 47,896,368.20 : x
  2. Step 2: Convert to fraction form
    109,307,328.20/163,937,372.70 = 47,896,368.20/x
  3. Step 3: Cross multiply
    109,307,328.20x = 163,937,372.70 × 47,896,368.20
  4. Step 4: Simplify right side
    109,307,328.20x = 7,852,004,764,579,828
  5. Step 5: Solve for x
    x = 7,852,004,764,579,828/109,307,328.20
  6. Step 6: Final answer
    x = 71,834,202.65

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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.