Home / 151,186,476.61-208,701,829.09-101,655,560.32

Finding the Fourth Proportional to 151,186,476.61, 208,701,829.09 and 101,655,560.32

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Solution

The fourth proportional to 151,186,476.61, 208,701,829.09 and 101,655,560.32 is: 140,328,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,186,476.61 : 208,701,829.09 = 101,655,560.32 : x
  2. Step 2: Convert to fraction form
    151,186,476.61/208,701,829.09 = 101,655,560.32/x
  3. Step 3: Cross multiply
    151,186,476.61x = 208,701,829.09 × 101,655,560.32
  4. Step 4: Simplify right side
    151,186,476.61x = 21,215,701,375,558,140
  5. Step 5: Solve for x
    x = 21,215,701,375,558,140/151,186,476.61
  6. Step 6: Final answer
    x = 140,328,036.28

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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.