Finding the Fourth Proportional to 187,215,155.52, 258,357,800.36 and 104,708,940.28
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Solution
The fourth proportional to 187,215,155.52, 258,357,800.36 and 104,708,940.28 is: 144,498,832.98
Step by Step Solution
- Step 1: Write the proportion equation
187,215,155.52 : 258,357,800.36 = 104,708,940.28 : x - Step 2: Convert to fraction form
187,215,155.52/258,357,800.36 = 104,708,940.28/x - Step 3: Cross multiply
187,215,155.52x = 258,357,800.36 × 104,708,940.28 - Step 4: Simplify right side
187,215,155.52x = 27,052,371,488,767,404 - Step 5: Solve for x
x = 27,052,371,488,767,404/187,215,155.52 - Step 6: Final answer
x = 144,498,832.98
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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.