Home / 77,391,848.48-116,051,899.94-28,856,670.53

Finding the Fourth Proportional to 77,391,848.48, 116,051,899.94 and 28,856,670.53

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Solution

The fourth proportional to 77,391,848.48, 116,051,899.94 and 28,856,670.53 is: 43,271,630.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,391,848.48 : 116,051,899.94 = 28,856,670.53 : x
  2. Step 2: Convert to fraction form
    77,391,848.48/116,051,899.94 = 28,856,670.53/x
  3. Step 3: Cross multiply
    77,391,848.48x = 116,051,899.94 × 28,856,670.53
  4. Step 4: Simplify right side
    77,391,848.48x = 3,348,871,440,224,564
  5. Step 5: Solve for x
    x = 3,348,871,440,224,564/77,391,848.48
  6. Step 6: Final answer
    x = 43,271,630.10

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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.