Home / 432,130,443.75-648,197,327.75-104,605,420.95

Finding the Fourth Proportional to 432,130,443.75, 648,197,327.75 and 104,605,420.95

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Solution

The fourth proportional to 432,130,443.75, 648,197,327.75 and 104,605,420.95 is: 156,908,533.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,130,443.75 : 648,197,327.75 = 104,605,420.95 : x
  2. Step 2: Convert to fraction form
    432,130,443.75/648,197,327.75 = 104,605,420.95/x
  3. Step 3: Cross multiply
    432,130,443.75x = 648,197,327.75 × 104,605,420.95
  4. Step 4: Simplify right side
    432,130,443.75x = 67,804,954,327,430,840
  5. Step 5: Solve for x
    x = 67,804,954,327,430,840/432,130,443.75
  6. Step 6: Final answer
    x = 156,908,533.77

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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.