Home / 102,291,803,728.50-153,436,017,520.10-30,581,485,723.36

Finding the Fourth Proportional to 102,291,803,728.50, 153,436,017,520.10 and 30,581,485,723.36

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Solution

The fourth proportional to 102,291,803,728.50, 153,436,017,520.10 and 30,581,485,723.36 is: 45,871,723,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,291,803,728.50 : 153,436,017,520.10 = 30,581,485,723.36 : x
  2. Step 2: Convert to fraction form
    102,291,803,728.50/153,436,017,520.10 = 30,581,485,723.36/x
  3. Step 3: Cross multiply
    102,291,803,728.50x = 153,436,017,520.10 × 30,581,485,723.36
  4. Step 4: Simplify right side
    102,291,803,728.50x = 4,692,301,379,240,153,055,232
  5. Step 5: Solve for x
    x = 4,692,301,379,240,153,055,232/102,291,803,728.50
  6. Step 6: Final answer
    x = 45,871,723,913.43

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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.