Finding the Fourth Proportional to 115,261,889.29, 159,065,201.12 and 63,049,730.13
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Solution
The fourth proportional to 115,261,889.29, 159,065,201.12 and 63,049,730.13 is: 87,010,702.89
Step by Step Solution
- Step 1: Write the proportion equation
115,261,889.29 : 159,065,201.12 = 63,049,730.13 : x - Step 2: Convert to fraction form
115,261,889.29/159,065,201.12 = 63,049,730.13/x - Step 3: Cross multiply
115,261,889.29x = 159,065,201.12 × 63,049,730.13 - Step 4: Simplify right side
115,261,889.29x = 10,029,018,003,374,926 - Step 5: Solve for x
x = 10,029,018,003,374,926/115,261,889.29 - Step 6: Final answer
x = 87,010,702.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.