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Finding the Fourth Proportional to 169,848,266.70, 254,772,400.05 and 101,655,857.10

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Solution

The fourth proportional to 169,848,266.70, 254,772,400.05 and 101,655,857.10 is: 152,483,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,848,266.70 : 254,772,400.05 = 101,655,857.10 : x
  2. Step 2: Convert to fraction form
    169,848,266.70/254,772,400.05 = 101,655,857.10/x
  3. Step 3: Cross multiply
    169,848,266.70x = 254,772,400.05 × 101,655,857.10
  4. Step 4: Simplify right side
    169,848,266.70x = 25,899,106,692,506,832
  5. Step 5: Solve for x
    x = 25,899,106,692,506,832/169,848,266.70
  6. Step 6: Final answer
    x = 152,483,785.65

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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.