Home / 150,806,130-208,115,215.62-83,831,376.39

Finding the Fourth Proportional to 150,806,130, 208,115,215.62 and 83,831,376.39

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Solution

The fourth proportional to 150,806,130, 208,115,215.62 and 83,831,376.39 is: 115,688,831.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,806,130 : 208,115,215.62 = 83,831,376.39 : x
  2. Step 2: Convert to fraction form
    150,806,130/208,115,215.62 = 83,831,376.39/x
  3. Step 3: Cross multiply
    150,806,130x = 208,115,215.62 × 83,831,376.39
  4. Step 4: Simplify right side
    150,806,130x = 17,446,584,973,126,228
  5. Step 5: Solve for x
    x = 17,446,584,973,126,228/150,806,130
  6. Step 6: Final answer
    x = 115,688,831.57

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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.