Home / 111,683,386.40-167,525,079.60-82,985,572.40

Finding the Fourth Proportional to 111,683,386.40, 167,525,079.60 and 82,985,572.40

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Solution

The fourth proportional to 111,683,386.40, 167,525,079.60 and 82,985,572.40 is: 124,478,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,683,386.40 : 167,525,079.60 = 82,985,572.40 : x
  2. Step 2: Convert to fraction form
    111,683,386.40/167,525,079.60 = 82,985,572.40/x
  3. Step 3: Cross multiply
    111,683,386.40x = 167,525,079.60 × 82,985,572.40
  4. Step 4: Simplify right side
    111,683,386.40x = 13,902,164,621,961,564
  5. Step 5: Solve for x
    x = 13,902,164,621,961,564/111,683,386.40
  6. Step 6: Final answer
    x = 124,478,358.60

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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.