Home / 432,157,428.84-648,237,804.54-104,632,396.20

Finding the Fourth Proportional to 432,157,428.84, 648,237,804.54 and 104,632,396.20

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Solution

The fourth proportional to 432,157,428.84, 648,237,804.54 and 104,632,396.20 is: 156,948,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,157,428.84 : 648,237,804.54 = 104,632,396.20 : x
  2. Step 2: Convert to fraction form
    432,157,428.84/648,237,804.54 = 104,632,396.20/x
  3. Step 3: Cross multiply
    432,157,428.84x = 648,237,804.54 × 104,632,396.20
  4. Step 4: Simplify right side
    432,157,428.84x = 67,826,674,796,447,440
  5. Step 5: Solve for x
    x = 67,826,674,796,447,440/432,157,428.84
  6. Step 6: Final answer
    x = 156,948,996.52

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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.