Home / 432,602,357.22-648,903,543.34-105,075,663.36

Finding the Fourth Proportional to 432,602,357.22, 648,903,543.34 and 105,075,663.36

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Solution

The fourth proportional to 432,602,357.22, 648,903,543.34 and 105,075,663.36 is: 157,613,496.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,602,357.22 : 648,903,543.34 = 105,075,663.36 : x
  2. Step 2: Convert to fraction form
    432,602,357.22/648,903,543.34 = 105,075,663.36/x
  3. Step 3: Cross multiply
    432,602,357.22x = 648,903,543.34 × 105,075,663.36
  4. Step 4: Simplify right side
    432,602,357.22x = 68,183,970,273,105,016
  5. Step 5: Solve for x
    x = 68,183,970,273,105,016/432,602,357.22
  6. Step 6: Final answer
    x = 157,613,496.86

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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.