Home / 150,151,543.40-207,199,988.64-83,166,530.93

Finding the Fourth Proportional to 150,151,543.40, 207,199,988.64 and 83,166,530.93

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Solution

The fourth proportional to 150,151,543.40, 207,199,988.64 and 83,166,530.93 is: 114,764,749.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,151,543.40 : 207,199,988.64 = 83,166,530.93 : x
  2. Step 2: Convert to fraction form
    150,151,543.40/207,199,988.64 = 83,166,530.93/x
  3. Step 3: Cross multiply
    150,151,543.40x = 207,199,988.64 × 83,166,530.93
  4. Step 4: Simplify right side
    150,151,543.40x = 17,232,104,263,924,208
  5. Step 5: Solve for x
    x = 17,232,104,263,924,208/150,151,543.40
  6. Step 6: Final answer
    x = 114,764,749.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.