Finding the Fourth Proportional to 266,579,135.55, 399,886,248.86 and 69,847,366.01
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Solution
The fourth proportional to 266,579,135.55, 399,886,248.86 and 69,847,366.01 is: 104,775,646.18
Step by Step Solution
- Step 1: Write the proportion equation
266,579,135.55 : 399,886,248.86 = 69,847,366.01 : x - Step 2: Convert to fraction form
266,579,135.55/399,886,248.86 = 69,847,366.01/x - Step 3: Cross multiply
266,579,135.55x = 399,886,248.86 × 69,847,366.01 - Step 4: Simplify right side
266,579,135.55x = 27,931,001,184,141,696 - Step 5: Solve for x
x = 27,931,001,184,141,696/266,579,135.55 - Step 6: Final answer
x = 104,775,646.18
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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.