Home / 187,637,093.87-258,938,741.21-102,864,061.31

Finding the Fourth Proportional to 187,637,093.87, 258,938,741.21 and 102,864,061.31

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Solution

The fourth proportional to 187,637,093.87, 258,938,741.21 and 102,864,061.31 is: 141,952,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,637,093.87 : 258,938,741.21 = 102,864,061.31 : x
  2. Step 2: Convert to fraction form
    187,637,093.87/258,938,741.21 = 102,864,061.31/x
  3. Step 3: Cross multiply
    187,637,093.87x = 258,938,741.21 × 102,864,061.31
  4. Step 4: Simplify right side
    187,637,093.87x = 26,635,490,549,550,652
  5. Step 5: Solve for x
    x = 26,635,490,549,550,652/187,637,093.87
  6. Step 6: Final answer
    x = 141,952,158.82

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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.