Finding the Fourth Proportional to 69,944,263.98, 96,523,177.28 and 38,581,605.50
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Solution
The fourth proportional to 69,944,263.98, 96,523,177.28 and 38,581,605.50 is: 53,242,666.87
Step by Step Solution
- Step 1: Write the proportion equation
69,944,263.98 : 96,523,177.28 = 38,581,605.50 : x - Step 2: Convert to fraction form
69,944,263.98/96,523,177.28 = 38,581,605.50/x - Step 3: Cross multiply
69,944,263.98x = 96,523,177.28 × 38,581,605.50 - Step 4: Simplify right side
69,944,263.98x = 3,724,019,146,747,999 - Step 5: Solve for x
x = 3,724,019,146,747,999/69,944,263.98 - Step 6: Final answer
x = 53,242,666.87
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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.