Finding the Fourth Proportional to 159,495,564.70, 239,243,347.05 and 91,282,159.90
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Solution
The fourth proportional to 159,495,564.70, 239,243,347.05 and 91,282,159.90 is: 136,923,239.85
Step by Step Solution
- Step 1: Write the proportion equation
159,495,564.70 : 239,243,347.05 = 91,282,159.90 : x - Step 2: Convert to fraction form
159,495,564.70/239,243,347.05 = 91,282,159.90/x - Step 3: Cross multiply
159,495,564.70x = 239,243,347.05 × 91,282,159.90 - Step 4: Simplify right side
159,495,564.70x = 21,838,649,460,429,296 - Step 5: Solve for x
x = 21,838,649,460,429,296/159,495,564.70 - Step 6: Final answer
x = 136,923,239.85
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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.