Home / 127,791,792.82-176,322,638.07-77,554,897.93

Finding the Fourth Proportional to 127,791,792.82, 176,322,638.07 and 77,554,897.93

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Solution

The fourth proportional to 127,791,792.82, 176,322,638.07 and 77,554,897.93 is: 107,007,530.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,791,792.82 : 176,322,638.07 = 77,554,897.93 : x
  2. Step 2: Convert to fraction form
    127,791,792.82/176,322,638.07 = 77,554,897.93/x
  3. Step 3: Cross multiply
    127,791,792.82x = 176,322,638.07 × 77,554,897.93
  4. Step 4: Simplify right side
    127,791,792.82x = 13,674,684,198,447,810
  5. Step 5: Solve for x
    x = 13,674,684,198,447,810/127,791,792.82
  6. Step 6: Final answer
    x = 107,007,530.74

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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.