Home / 71,473,141.45-106,939,166.30-42,342,615.23

Finding the Fourth Proportional to 71,473,141.45, 106,939,166.30 and 42,342,615.23

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Solution

The fourth proportional to 71,473,141.45, 106,939,166.30 and 42,342,615.23 is: 63,353,644.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,473,141.45 : 106,939,166.30 = 42,342,615.23 : x
  2. Step 2: Convert to fraction form
    71,473,141.45/106,939,166.30 = 42,342,615.23/x
  3. Step 3: Cross multiply
    71,473,141.45x = 106,939,166.30 × 42,342,615.23
  4. Step 4: Simplify right side
    71,473,141.45x = 4,528,083,971,308,224
  5. Step 5: Solve for x
    x = 4,528,083,971,308,224/71,473,141.45
  6. Step 6: Final answer
    x = 63,353,644.17

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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.