Finding the Fourth Proportional to 157,731,215.22, 236,385,337.50 and 122,758,560.45
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Solution
The fourth proportional to 157,731,215.22, 236,385,337.50 and 122,758,560.45 is: 183,973,246.53
Step by Step Solution
- Step 1: Write the proportion equation
157,731,215.22 : 236,385,337.50 = 122,758,560.45 : x - Step 2: Convert to fraction form
157,731,215.22/236,385,337.50 = 122,758,560.45/x - Step 3: Cross multiply
157,731,215.22x = 236,385,337.50 × 122,758,560.45 - Step 4: Simplify right side
157,731,215.22x = 29,018,323,742,987,404 - Step 5: Solve for x
x = 29,018,323,742,987,404/157,731,215.22 - Step 6: Final answer
x = 183,973,246.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.