Home / 73,009,607.60-109,507,294.20-19,156,919.60

Finding the Fourth Proportional to 73,009,607.60, 109,507,294.20 and 19,156,919.60

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Solution

The fourth proportional to 73,009,607.60, 109,507,294.20 and 19,156,919.60 is: 28,733,511.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,009,607.60 : 109,507,294.20 = 19,156,919.60 : x
  2. Step 2: Convert to fraction form
    73,009,607.60/109,507,294.20 = 19,156,919.60/x
  3. Step 3: Cross multiply
    73,009,607.60x = 109,507,294.20 × 19,156,919.60
  4. Step 4: Simplify right side
    73,009,607.60x = 2,097,822,430,602,946.50
  5. Step 5: Solve for x
    x = 2,097,822,430,602,946.50/73,009,607.60
  6. Step 6: Final answer
    x = 28,733,511.92

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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.