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Finding the Fourth Proportional to 107,671,617.60, 161,283,477.60 and 89,755,713.60

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Solution

The fourth proportional to 107,671,617.60, 161,283,477.60 and 89,755,713.60 is: 134,446,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,671,617.60 : 161,283,477.60 = 89,755,713.60 : x
  2. Step 2: Convert to fraction form
    107,671,617.60/161,283,477.60 = 89,755,713.60/x
  3. Step 3: Cross multiply
    107,671,617.60x = 161,283,477.60 × 89,755,713.60
  4. Step 4: Simplify right side
    107,671,617.60x = 14,476,113,623,877,614
  5. Step 5: Solve for x
    x = 14,476,113,623,877,614/107,671,617.60
  6. Step 6: Final answer
    x = 134,446,885.32

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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.