Home / 71,148,184.30-98,173,636.53-40,197,060.46

Finding the Fourth Proportional to 71,148,184.30, 98,173,636.53 and 40,197,060.46

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Solution

The fourth proportional to 71,148,184.30, 98,173,636.53 and 40,197,060.46 is: 55,465,809.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,148,184.30 : 98,173,636.53 = 40,197,060.46 : x
  2. Step 2: Convert to fraction form
    71,148,184.30/98,173,636.53 = 40,197,060.46/x
  3. Step 3: Cross multiply
    71,148,184.30x = 98,173,636.53 × 40,197,060.46
  4. Step 4: Simplify right side
    71,148,184.30x = 3,946,291,602,707,260
  5. Step 5: Solve for x
    x = 3,946,291,602,707,260/71,148,184.30
  6. Step 6: Final answer
    x = 55,465,809.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.