Home / 120,580,673.70-180,871,010.55-63,090,567.30

Finding the Fourth Proportional to 120,580,673.70, 180,871,010.55 and 63,090,567.30

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Solution

The fourth proportional to 120,580,673.70, 180,871,010.55 and 63,090,567.30 is: 94,635,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,580,673.70 : 180,871,010.55 = 63,090,567.30 : x
  2. Step 2: Convert to fraction form
    120,580,673.70/180,871,010.55 = 63,090,567.30/x
  3. Step 3: Cross multiply
    120,580,673.70x = 180,871,010.55 × 63,090,567.30
  4. Step 4: Simplify right side
    120,580,673.70x = 11,411,254,663,723,786
  5. Step 5: Solve for x
    x = 11,411,254,663,723,786/120,580,673.70
  6. Step 6: Final answer
    x = 94,635,850.95

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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.