Home / 85,312,038.40-127,968,057.60-37,442,982.40

Finding the Fourth Proportional to 85,312,038.40, 127,968,057.60 and 37,442,982.40

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Solution

The fourth proportional to 85,312,038.40, 127,968,057.60 and 37,442,982.40 is: 56,164,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,312,038.40 : 127,968,057.60 = 37,442,982.40 : x
  2. Step 2: Convert to fraction form
    85,312,038.40/127,968,057.60 = 37,442,982.40/x
  3. Step 3: Cross multiply
    85,312,038.40x = 127,968,057.60 × 37,442,982.40
  4. Step 4: Simplify right side
    85,312,038.40x = 4,791,505,728,478,986
  5. Step 5: Solve for x
    x = 4,791,505,728,478,986/85,312,038.40
  6. Step 6: Final answer
    x = 56,164,473.60

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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.