Home / 127,228,924.20-190,843,386.30-117,875,562.60

Finding the Fourth Proportional to 127,228,924.20, 190,843,386.30 and 117,875,562.60

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Solution

The fourth proportional to 127,228,924.20, 190,843,386.30 and 117,875,562.60 is: 176,813,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,228,924.20 : 190,843,386.30 = 117,875,562.60 : x
  2. Step 2: Convert to fraction form
    127,228,924.20/190,843,386.30 = 117,875,562.60/x
  3. Step 3: Cross multiply
    127,228,924.20x = 190,843,386.30 × 117,875,562.60
  4. Step 4: Simplify right side
    127,228,924.20x = 22,495,771,528,601,632
  5. Step 5: Solve for x
    x = 22,495,771,528,601,632/127,228,924.20
  6. Step 6: Final answer
    x = 176,813,343.90

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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.