Home / 153,233,039.28-211,466,060.07-83,622,903.96

Finding the Fourth Proportional to 153,233,039.28, 211,466,060.07 and 83,622,903.96

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Solution

The fourth proportional to 153,233,039.28, 211,466,060.07 and 83,622,903.96 is: 115,402,044.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,233,039.28 : 211,466,060.07 = 83,622,903.96 : x
  2. Step 2: Convert to fraction form
    153,233,039.28/211,466,060.07 = 83,622,903.96/x
  3. Step 3: Cross multiply
    153,233,039.28x = 211,466,060.07 × 83,622,903.96
  4. Step 4: Simplify right side
    153,233,039.28x = 17,683,406,032,033,198
  5. Step 5: Solve for x
    x = 17,683,406,032,033,198/153,233,039.28
  6. Step 6: Final answer
    x = 115,402,044.59

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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.