Home / 368,877,273.10-553,528,486.05-139,011,325.90

Finding the Fourth Proportional to 368,877,273.10, 553,528,486.05 and 139,011,325.90

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Solution

The fourth proportional to 368,877,273.10, 553,528,486.05 and 139,011,325.90 is: 208,597,098.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,877,273.10 : 553,528,486.05 = 139,011,325.90 : x
  2. Step 2: Convert to fraction form
    368,877,273.10/553,528,486.05 = 139,011,325.90/x
  3. Step 3: Cross multiply
    368,877,273.10x = 553,528,486.05 × 139,011,325.90
  4. Step 4: Simplify right side
    368,877,273.10x = 76,946,728,769,230,144
  5. Step 5: Solve for x
    x = 76,946,728,769,230,144/368,877,273.10
  6. Step 6: Final answer
    x = 208,597,098.22

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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.