Finding the Fourth Proportional to 101,643,553.74, 140,257,545.14 and 59,825,125.10
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Solution
The fourth proportional to 101,643,553.74, 140,257,545.14 and 59,825,125.10 is: 82,552,457.82
Step by Step Solution
- Step 1: Write the proportion equation
101,643,553.74 : 140,257,545.14 = 59,825,125.10 : x - Step 2: Convert to fraction form
101,643,553.74/140,257,545.14 = 59,825,125.10/x - Step 3: Cross multiply
101,643,553.74x = 140,257,545.14 × 59,825,125.10 - Step 4: Simplify right side
101,643,553.74x = 8,390,925,183,218,983 - Step 5: Solve for x
x = 8,390,925,183,218,983/101,643,553.74 - Step 6: Final answer
x = 82,552,457.82
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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.