Home / 90,002,557.20-124,197,080.58-52,834,346.40

Finding the Fourth Proportional to 90,002,557.20, 124,197,080.58 and 52,834,346.40

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Solution

The fourth proportional to 90,002,557.20, 124,197,080.58 and 52,834,346.40 is: 72,907,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,002,557.20 : 124,197,080.58 = 52,834,346.40 : x
  2. Step 2: Convert to fraction form
    90,002,557.20/124,197,080.58 = 52,834,346.40/x
  3. Step 3: Cross multiply
    90,002,557.20x = 124,197,080.58 × 52,834,346.40
  4. Step 4: Simplify right side
    90,002,557.20x = 6,561,871,577,232,433
  5. Step 5: Solve for x
    x = 6,561,871,577,232,433/90,002,557.20
  6. Step 6: Final answer
    x = 72,907,612.64

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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.