Home / 55,775,312.40-83,662,968.60-51,948,937.20

Finding the Fourth Proportional to 55,775,312.40, 83,662,968.60 and 51,948,937.20

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Solution

The fourth proportional to 55,775,312.40, 83,662,968.60 and 51,948,937.20 is: 77,923,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775,312.40 : 83,662,968.60 = 51,948,937.20 : x
  2. Step 2: Convert to fraction form
    55,775,312.40/83,662,968.60 = 51,948,937.20/x
  3. Step 3: Cross multiply
    55,775,312.40x = 83,662,968.60 × 51,948,937.20
  4. Step 4: Simplify right side
    55,775,312.40x = 4,346,202,301,766,972
  5. Step 5: Solve for x
    x = 4,346,202,301,766,972/55,775,312.40
  6. Step 6: Final answer
    x = 77,923,405.80

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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.