Home / 72,805,302,587.90-109,207,953,881.94-20,460,489,851.90

Finding the Fourth Proportional to 72,805,302,587.90, 109,207,953,881.94 and 20,460,489,851.90

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Solution

The fourth proportional to 72,805,302,587.90, 109,207,953,881.94 and 20,460,489,851.90 is: 30,690,734,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,805,302,587.90 : 109,207,953,881.94 = 20,460,489,851.90 : x
  2. Step 2: Convert to fraction form
    72,805,302,587.90/109,207,953,881.94 = 20,460,489,851.90/x
  3. Step 3: Cross multiply
    72,805,302,587.90x = 109,207,953,881.94 × 20,460,489,851.90
  4. Step 4: Simplify right side
    72,805,302,587.90x = 2,234,448,232,148,196,917,248
  5. Step 5: Solve for x
    x = 2,234,448,232,148,196,917,248/72,805,302,587.90
  6. Step 6: Final answer
    x = 30,690,734,777.88

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1.5x scale

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.