Home / 193,354,817.76-266,835,148.80-105,254,496.96

Finding the Fourth Proportional to 193,354,817.76, 266,835,148.80 and 105,254,496.96

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Solution

The fourth proportional to 193,354,817.76, 266,835,148.80 and 105,254,496.96 is: 145,254,199.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,354,817.76 : 266,835,148.80 = 105,254,496.96 : x
  2. Step 2: Convert to fraction form
    193,354,817.76/266,835,148.80 = 105,254,496.96/x
  3. Step 3: Cross multiply
    193,354,817.76x = 266,835,148.80 × 105,254,496.96
  4. Step 4: Simplify right side
    193,354,817.76x = 28,085,599,358,190,748
  5. Step 5: Solve for x
    x = 28,085,599,358,190,748/193,354,817.76
  6. Step 6: Final answer
    x = 145,254,199.94

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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.