Home / 117,068,589.48-161,548,290.90-64,854,510.96

Finding the Fourth Proportional to 117,068,589.48, 161,548,290.90 and 64,854,510.96

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Solution

The fourth proportional to 117,068,589.48, 161,548,290.90 and 64,854,510.96 is: 89,495,700.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,068,589.48 : 161,548,290.90 = 64,854,510.96 : x
  2. Step 2: Convert to fraction form
    117,068,589.48/161,548,290.90 = 64,854,510.96/x
  3. Step 3: Cross multiply
    117,068,589.48x = 161,548,290.90 × 64,854,510.96
  4. Step 4: Simplify right side
    117,068,589.48x = 10,477,135,402,743,318
  5. Step 5: Solve for x
    x = 10,477,135,402,743,318/117,068,589.48
  6. Step 6: Final answer
    x = 89,495,700.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.