Home / 157,552,692.80-236,572,341.60-85,889,076.80

Finding the Fourth Proportional to 157,552,692.80, 236,572,341.60 and 85,889,076.80

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Solution

The fourth proportional to 157,552,692.80, 236,572,341.60 and 85,889,076.80 is: 128,966,250.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,552,692.80 : 236,572,341.60 = 85,889,076.80 : x
  2. Step 2: Convert to fraction form
    157,552,692.80/236,572,341.60 = 85,889,076.80/x
  3. Step 3: Cross multiply
    157,552,692.80x = 236,572,341.60 × 85,889,076.80
  4. Step 4: Simplify right side
    157,552,692.80x = 20,318,980,016,438,232
  5. Step 5: Solve for x
    x = 20,318,980,016,438,232/157,552,692.80
  6. Step 6: Final answer
    x = 128,966,250.31

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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.