Home / 187,282,400.75-258,447,809.31-103,650,693.74

Finding the Fourth Proportional to 187,282,400.75, 258,447,809.31 and 103,650,693.74

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Solution

The fourth proportional to 187,282,400.75, 258,447,809.31 and 103,650,693.74 is: 143,036,903.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,282,400.75 : 258,447,809.31 = 103,650,693.74 : x
  2. Step 2: Convert to fraction form
    187,282,400.75/258,447,809.31 = 103,650,693.74/x
  3. Step 3: Cross multiply
    187,282,400.75x = 258,447,809.31 × 103,650,693.74
  4. Step 4: Simplify right side
    187,282,400.75x = 26,788,294,729,272,492
  5. Step 5: Solve for x
    x = 26,788,294,729,272,492/187,282,400.75
  6. Step 6: Final answer
    x = 143,036,903.75

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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.