Home / 177,286,630.79-266,333,510.03-128,253,725.07

Finding the Fourth Proportional to 177,286,630.79, 266,333,510.03 and 128,253,725.07

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Solution

The fourth proportional to 177,286,630.79, 266,333,510.03 and 128,253,725.07 is: 192,672,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,286,630.79 : 266,333,510.03 = 128,253,725.07 : x
  2. Step 2: Convert to fraction form
    177,286,630.79/266,333,510.03 = 128,253,725.07/x
  3. Step 3: Cross multiply
    177,286,630.79x = 266,333,510.03 × 128,253,725.07
  4. Step 4: Simplify right side
    177,286,630.79x = 34,158,264,771,674,436
  5. Step 5: Solve for x
    x = 34,158,264,771,674,436/177,286,630.79
  6. Step 6: Final answer
    x = 192,672,536.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.