Home / 127,871,812.08-176,345,348.40-83,802,755.52

Finding the Fourth Proportional to 127,871,812.08, 176,345,348.40 and 83,802,755.52

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Solution

The fourth proportional to 127,871,812.08, 176,345,348.40 and 83,802,755.52 is: 115,570,631.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,871,812.08 : 176,345,348.40 = 83,802,755.52 : x
  2. Step 2: Convert to fraction form
    127,871,812.08/176,345,348.40 = 83,802,755.52/x
  3. Step 3: Cross multiply
    127,871,812.08x = 176,345,348.40 × 83,802,755.52
  4. Step 4: Simplify right side
    127,871,812.08x = 14,778,226,119,054,422
  5. Step 5: Solve for x
    x = 14,778,226,119,054,422/127,871,812.08
  6. Step 6: Final answer
    x = 115,570,631.86

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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.