Home / 256,642,681.96-385,064,849.82-112,934,737

Finding the Fourth Proportional to 256,642,681.96, 385,064,849.82 and 112,934,737

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Solution

The fourth proportional to 256,642,681.96, 385,064,849.82 and 112,934,737 is: 169,446,474.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,642,681.96 : 385,064,849.82 = 112,934,737 : x
  2. Step 2: Convert to fraction form
    256,642,681.96/385,064,849.82 = 112,934,737/x
  3. Step 3: Cross multiply
    256,642,681.96x = 385,064,849.82 × 112,934,737
  4. Step 4: Simplify right side
    256,642,681.96x = 43,487,197,542,366,200
  5. Step 5: Solve for x
    x = 43,487,197,542,366,200/256,642,681.96
  6. Step 6: Final answer
    x = 169,446,474.02

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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.