Finding the Fourth Proportional to 187,774,805.28, 259,125,370.08 and 104,129,438.16
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Solution
The fourth proportional to 187,774,805.28, 259,125,370.08 and 104,129,438.16 is: 143,696,483.45
Step by Step Solution
- Step 1: Write the proportion equation
187,774,805.28 : 259,125,370.08 = 104,129,438.16 : x - Step 2: Convert to fraction form
187,774,805.28/259,125,370.08 = 104,129,438.16/x - Step 3: Cross multiply
187,774,805.28x = 259,125,370.08 × 104,129,438.16 - Step 4: Simplify right side
187,774,805.28x = 26,982,579,199,432,476 - Step 5: Solve for x
x = 26,982,579,199,432,476/187,774,805.28 - Step 6: Final answer
x = 143,696,483.45
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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.