Home / 167,980,928.40-251,971,392.60-139,283,114.40

Finding the Fourth Proportional to 167,980,928.40, 251,971,392.60 and 139,283,114.40

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Solution

The fourth proportional to 167,980,928.40, 251,971,392.60 and 139,283,114.40 is: 208,924,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,980,928.40 : 251,971,392.60 = 139,283,114.40 : x
  2. Step 2: Convert to fraction form
    167,980,928.40/251,971,392.60 = 139,283,114.40/x
  3. Step 3: Cross multiply
    167,980,928.40x = 251,971,392.60 × 139,283,114.40
  4. Step 4: Simplify right side
    167,980,928.40x = 35,095,360,301,033,116
  5. Step 5: Solve for x
    x = 35,095,360,301,033,116/167,980,928.40
  6. Step 6: Final answer
    x = 208,924,671.60

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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.