Home / 177,431,186.40-265,748,648.40-145,580,690.40

Finding the Fourth Proportional to 177,431,186.40, 265,748,648.40 and 145,580,690.40

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Solution

The fourth proportional to 177,431,186.40, 265,748,648.40 and 145,580,690.40 is: 218,044,372.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,431,186.40 : 265,748,648.40 = 145,580,690.40 : x
  2. Step 2: Convert to fraction form
    177,431,186.40/265,748,648.40 = 145,580,690.40/x
  3. Step 3: Cross multiply
    177,431,186.40x = 265,748,648.40 × 145,580,690.40
  4. Step 4: Simplify right side
    177,431,186.40x = 38,687,871,706,938,856
  5. Step 5: Solve for x
    x = 38,687,871,706,938,856/177,431,186.40
  6. Step 6: Final answer
    x = 218,044,372.54

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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.