Home / 117,870,076.70-176,884,831.20-66,054,579.20

Finding the Fourth Proportional to 117,870,076.70, 176,884,831.20 and 66,054,579.20

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Solution

The fourth proportional to 117,870,076.70, 176,884,831.20 and 66,054,579.20 is: 99,126,541.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,870,076.70 : 176,884,831.20 = 66,054,579.20 : x
  2. Step 2: Convert to fraction form
    117,870,076.70/176,884,831.20 = 66,054,579.20/x
  3. Step 3: Cross multiply
    117,870,076.70x = 176,884,831.20 × 66,054,579.20
  4. Step 4: Simplify right side
    117,870,076.70x = 11,684,053,091,779,030
  5. Step 5: Solve for x
    x = 11,684,053,091,779,030/117,870,076.70
  6. Step 6: Final answer
    x = 99,126,541.86

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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.