Finding the Fourth Proportional to 115,092,881.18, 158,826,317.56 and 62,880,793.10
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Solution
The fourth proportional to 115,092,881.18, 158,826,317.56 and 62,880,793.10 is: 86,774,479.10
Step by Step Solution
- Step 1: Write the proportion equation
115,092,881.18 : 158,826,317.56 = 62,880,793.10 : x - Step 2: Convert to fraction form
115,092,881.18/158,826,317.56 = 62,880,793.10/x - Step 3: Cross multiply
115,092,881.18x = 158,826,317.56 × 62,880,793.10 - Step 4: Simplify right side
115,092,881.18x = 9,987,124,812,373,924 - Step 5: Solve for x
x = 9,987,124,812,373,924/115,092,881.18 - Step 6: Final answer
x = 86,774,479.10
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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.