Home / 118,883,883.64-164,060,947.82-66,671,798.32

Finding the Fourth Proportional to 118,883,883.64, 164,060,947.82 and 66,671,798.32

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Solution

The fourth proportional to 118,883,883.64, 164,060,947.82 and 66,671,798.32 is: 92,007,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,883,883.64 : 164,060,947.82 = 66,671,798.32 : x
  2. Step 2: Convert to fraction form
    118,883,883.64/164,060,947.82 = 66,671,798.32/x
  3. Step 3: Cross multiply
    118,883,883.64x = 164,060,947.82 × 66,671,798.32
  4. Step 4: Simplify right side
    118,883,883.64x = 10,938,238,425,243,084
  5. Step 5: Solve for x
    x = 10,938,238,425,243,084/118,883,883.64
  6. Step 6: Final answer
    x = 92,007,748.15

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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.