Home / 107,802,111.60-161,703,167.40-39,630,697.20

Finding the Fourth Proportional to 107,802,111.60, 161,703,167.40 and 39,630,697.20

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Solution

The fourth proportional to 107,802,111.60, 161,703,167.40 and 39,630,697.20 is: 59,446,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,802,111.60 : 161,703,167.40 = 39,630,697.20 : x
  2. Step 2: Convert to fraction form
    107,802,111.60/161,703,167.40 = 39,630,697.20/x
  3. Step 3: Cross multiply
    107,802,111.60x = 161,703,167.40 × 39,630,697.20
  4. Step 4: Simplify right side
    107,802,111.60x = 6,408,409,263,510,312
  5. Step 5: Solve for x
    x = 6,408,409,263,510,312/107,802,111.60
  6. Step 6: Final answer
    x = 59,446,045.80

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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.