Home / 137,898,087.24-190,300,644-76,020,640.12

Finding the Fourth Proportional to 137,898,087.24, 190,300,644 and 76,020,640.12

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Solution

The fourth proportional to 137,898,087.24, 190,300,644 and 76,020,640.12 is: 104,909,191.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,898,087.24 : 190,300,644 = 76,020,640.12 : x
  2. Step 2: Convert to fraction form
    137,898,087.24/190,300,644 = 76,020,640.12/x
  3. Step 3: Cross multiply
    137,898,087.24x = 190,300,644 × 76,020,640.12
  4. Step 4: Simplify right side
    137,898,087.24x = 14,466,776,772,128,238
  5. Step 5: Solve for x
    x = 14,466,776,772,128,238/137,898,087.24
  6. Step 6: Final answer
    x = 104,909,191.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.