Home / 117,930,837.60-176,896,256.40-66,912,501.60

Finding the Fourth Proportional to 117,930,837.60, 176,896,256.40 and 66,912,501.60

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Solution

The fourth proportional to 117,930,837.60, 176,896,256.40 and 66,912,501.60 is: 100,368,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,930,837.60 : 176,896,256.40 = 66,912,501.60 : x
  2. Step 2: Convert to fraction form
    117,930,837.60/176,896,256.40 = 66,912,501.60/x
  3. Step 3: Cross multiply
    117,930,837.60x = 176,896,256.40 × 66,912,501.60
  4. Step 4: Simplify right side
    117,930,837.60x = 11,836,571,039,399,010
  5. Step 5: Solve for x
    x = 11,836,571,039,399,010/117,930,837.60
  6. Step 6: Final answer
    x = 100,368,752.40

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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.