Home / 139,136,801.80-208,705,202.70-88,076,475.40

Finding the Fourth Proportional to 139,136,801.80, 208,705,202.70 and 88,076,475.40

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Solution

The fourth proportional to 139,136,801.80, 208,705,202.70 and 88,076,475.40 is: 132,114,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,136,801.80 : 208,705,202.70 = 88,076,475.40 : x
  2. Step 2: Convert to fraction form
    139,136,801.80/208,705,202.70 = 88,076,475.40/x
  3. Step 3: Cross multiply
    139,136,801.80x = 208,705,202.70 × 88,076,475.40
  4. Step 4: Simplify right side
    139,136,801.80x = 18,382,018,651,458,564
  5. Step 5: Solve for x
    x = 18,382,018,651,458,564/139,136,801.80
  6. Step 6: Final answer
    x = 132,114,713.10

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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.