Home / 84,829,548.20-127,244,322.30-21,004,140.20

Finding the Fourth Proportional to 84,829,548.20, 127,244,322.30 and 21,004,140.20

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Solution

The fourth proportional to 84,829,548.20, 127,244,322.30 and 21,004,140.20 is: 31,506,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,829,548.20 : 127,244,322.30 = 21,004,140.20 : x
  2. Step 2: Convert to fraction form
    84,829,548.20/127,244,322.30 = 21,004,140.20/x
  3. Step 3: Cross multiply
    84,829,548.20x = 127,244,322.30 × 21,004,140.20
  4. Step 4: Simplify right side
    84,829,548.20x = 2,672,657,585,243,186.50
  5. Step 5: Solve for x
    x = 2,672,657,585,243,186.50/84,829,548.20
  6. Step 6: Final answer
    x = 31,506,210.30

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Double scale
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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.