Home / 133,127,889.32-183,712,961.86-74,391,037.10

Finding the Fourth Proportional to 133,127,889.32, 183,712,961.86 and 74,391,037.10

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Solution

The fourth proportional to 133,127,889.32, 183,712,961.86 and 74,391,037.10 is: 102,657,661.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,127,889.32 : 183,712,961.86 = 74,391,037.10 : x
  2. Step 2: Convert to fraction form
    133,127,889.32/183,712,961.86 = 74,391,037.10/x
  3. Step 3: Cross multiply
    133,127,889.32x = 183,712,961.86 × 74,391,037.10
  4. Step 4: Simplify right side
    133,127,889.32x = 13,666,597,761,062,524
  5. Step 5: Solve for x
    x = 13,666,597,761,062,524/133,127,889.32
  6. Step 6: Final answer
    x = 102,657,661.22

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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.