Home / 84,864,009.60-127,296,014.40-31,049,942.40

Finding the Fourth Proportional to 84,864,009.60, 127,296,014.40 and 31,049,942.40

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Solution

The fourth proportional to 84,864,009.60, 127,296,014.40 and 31,049,942.40 is: 46,574,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,864,009.60 : 127,296,014.40 = 31,049,942.40 : x
  2. Step 2: Convert to fraction form
    84,864,009.60/127,296,014.40 = 31,049,942.40/x
  3. Step 3: Cross multiply
    84,864,009.60x = 127,296,014.40 × 31,049,942.40
  4. Step 4: Simplify right side
    84,864,009.60x = 3,952,533,914,869,570.50
  5. Step 5: Solve for x
    x = 3,952,533,914,869,570.50/84,864,009.60
  6. Step 6: Final answer
    x = 46,574,913.60

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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.