Home / 149,928,316,330.47-206,901,469,444.56-81,339,725,897.08

Finding the Fourth Proportional to 149,928,316,330.47, 206,901,469,444.56 and 81,339,725,897.08

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Solution

The fourth proportional to 149,928,316,330.47, 206,901,469,444.56 and 81,339,725,897.08 is: 112,249,034,900.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,928,316,330.47 : 206,901,469,444.56 = 81,339,725,897.08 : x
  2. Step 2: Convert to fraction form
    149,928,316,330.47/206,901,469,444.56 = 81,339,725,897.08/x
  3. Step 3: Cross multiply
    149,928,316,330.47x = 206,901,469,444.56 × 81,339,725,897.08
  4. Step 4: Simplify right side
    149,928,316,330.47x = 16,829,308,812,323,582,902,272
  5. Step 5: Solve for x
    x = 16,829,308,812,323,582,902,272/149,928,316,330.47
  6. Step 6: Final answer
    x = 112,249,034,900.31

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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.