Home / 256,154,743.20-384,232,114.80-64,678,519.20

Finding the Fourth Proportional to 256,154,743.20, 384,232,114.80 and 64,678,519.20

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Solution

The fourth proportional to 256,154,743.20, 384,232,114.80 and 64,678,519.20 is: 97,017,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,154,743.20 : 384,232,114.80 = 64,678,519.20 : x
  2. Step 2: Convert to fraction form
    256,154,743.20/384,232,114.80 = 64,678,519.20/x
  3. Step 3: Cross multiply
    256,154,743.20x = 384,232,114.80 × 64,678,519.20
  4. Step 4: Simplify right side
    256,154,743.20x = 24,851,564,214,348,408
  5. Step 5: Solve for x
    x = 24,851,564,214,348,408/256,154,743.20
  6. Step 6: Final answer
    x = 97,017,778.80

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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.