Home / 109,452,745,191.72-151,051,012,410.21-61,280,366,977.44

Finding the Fourth Proportional to 109,452,745,191.72, 151,051,012,410.21 and 61,280,366,977.44

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Solution

The fourth proportional to 109,452,745,191.72, 151,051,012,410.21 and 61,280,366,977.44 is: 84,570,391,145.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,452,745,191.72 : 151,051,012,410.21 = 61,280,366,977.44 : x
  2. Step 2: Convert to fraction form
    109,452,745,191.72/151,051,012,410.21 = 61,280,366,977.44/x
  3. Step 3: Cross multiply
    109,452,745,191.72x = 151,051,012,410.21 × 61,280,366,977.44
  4. Step 4: Simplify right side
    109,452,745,191.72x = 9,256,461,472,811,512,233,984
  5. Step 5: Solve for x
    x = 9,256,461,472,811,512,233,984/109,452,745,191.72
  6. Step 6: Final answer
    x = 84,570,391,145.49

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1.5x scale

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.