Home / 127,431,025.40-190,863,102.90-104,756,209.40

Finding the Fourth Proportional to 127,431,025.40, 190,863,102.90 and 104,756,209.40

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Solution

The fourth proportional to 127,431,025.40, 190,863,102.90 and 104,756,209.40 is: 156,901,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,431,025.40 : 190,863,102.90 = 104,756,209.40 : x
  2. Step 2: Convert to fraction form
    127,431,025.40/190,863,102.90 = 104,756,209.40/x
  3. Step 3: Cross multiply
    127,431,025.40x = 190,863,102.90 × 104,756,209.40
  4. Step 4: Simplify right side
    127,431,025.40x = 19,994,095,174,126,148
  5. Step 5: Solve for x
    x = 19,994,095,174,126,148/127,431,025.40
  6. Step 6: Final answer
    x = 156,901,312.78

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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.