Home / 119,615,484.96-165,069,343.80-64,611,342

Finding the Fourth Proportional to 119,615,484.96, 165,069,343.80 and 64,611,342

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Solution

The fourth proportional to 119,615,484.96, 165,069,343.80 and 64,611,342 is: 89,163,638.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,615,484.96 : 165,069,343.80 = 64,611,342 : x
  2. Step 2: Convert to fraction form
    119,615,484.96/165,069,343.80 = 64,611,342/x
  3. Step 3: Cross multiply
    119,615,484.96x = 165,069,343.80 × 64,611,342
  4. Step 4: Simplify right side
    119,615,484.96x = 10,665,351,825,977,380
  5. Step 5: Solve for x
    x = 10,665,351,825,977,380/119,615,484.96
  6. Step 6: Final answer
    x = 89,163,638.22

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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.