Home / 93,531,028.80-140,296,543.20-42,512,692.80

Finding the Fourth Proportional to 93,531,028.80, 140,296,543.20 and 42,512,692.80

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Solution

The fourth proportional to 93,531,028.80, 140,296,543.20 and 42,512,692.80 is: 63,769,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,531,028.80 : 140,296,543.20 = 42,512,692.80 : x
  2. Step 2: Convert to fraction form
    93,531,028.80/140,296,543.20 = 42,512,692.80/x
  3. Step 3: Cross multiply
    93,531,028.80x = 140,296,543.20 × 42,512,692.80
  4. Step 4: Simplify right side
    93,531,028.80x = 5,964,383,841,963,528
  5. Step 5: Solve for x
    x = 5,964,383,841,963,528/93,531,028.80
  6. Step 6: Final answer
    x = 63,769,039.20

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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.