Home / 109,731,973.20-164,429,998.20-103,685,355.60

Finding the Fourth Proportional to 109,731,973.20, 164,429,998.20 and 103,685,355.60

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Solution

The fourth proportional to 109,731,973.20, 164,429,998.20 and 103,685,355.60 is: 155,369,327.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,731,973.20 : 164,429,998.20 = 103,685,355.60 : x
  2. Step 2: Convert to fraction form
    109,731,973.20/164,429,998.20 = 103,685,355.60/x
  3. Step 3: Cross multiply
    109,731,973.20x = 164,429,998.20 × 103,685,355.60
  4. Step 4: Simplify right side
    109,731,973.20x = 17,048,982,834,674,358
  5. Step 5: Solve for x
    x = 17,048,982,834,674,358/109,731,973.20
  6. Step 6: Final answer
    x = 155,369,327.07

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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.