Home / 127,116,001.30-190,698,885.15-54,332,641.30

Finding the Fourth Proportional to 127,116,001.30, 190,698,885.15 and 54,332,641.30

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Solution

The fourth proportional to 127,116,001.30, 190,698,885.15 and 54,332,641.30 is: 81,509,597.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116,001.30 : 190,698,885.15 = 54,332,641.30 : x
  2. Step 2: Convert to fraction form
    127,116,001.30/190,698,885.15 = 54,332,641.30/x
  3. Step 3: Cross multiply
    127,116,001.30x = 190,698,885.15 × 54,332,641.30
  4. Step 4: Simplify right side
    127,116,001.30x = 10,361,174,123,164,846
  5. Step 5: Solve for x
    x = 10,361,174,123,164,846/127,116,001.30
  6. Step 6: Final answer
    x = 81,509,597.67

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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.