Home / 432,158,724.81-648,341,213.81-141,026,389.24

Finding the Fourth Proportional to 432,158,724.81, 648,341,213.81 and 141,026,389.24

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Solution

The fourth proportional to 432,158,724.81, 648,341,213.81 and 141,026,389.24 is: 211,573,237.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,158,724.81 : 648,341,213.81 = 141,026,389.24 : x
  2. Step 2: Convert to fraction form
    432,158,724.81/648,341,213.81 = 141,026,389.24/x
  3. Step 3: Cross multiply
    432,158,724.81x = 648,341,213.81 × 141,026,389.24
  4. Step 4: Simplify right side
    432,158,724.81x = 91,433,220,379,103,120
  5. Step 5: Solve for x
    x = 91,433,220,379,103,120/432,158,724.81
  6. Step 6: Final answer
    x = 211,573,237.17

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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.