Finding the Fourth Proportional to 102,462,294.18, 141,399,081.99 and 56,051,551.65
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Solution
The fourth proportional to 102,462,294.18, 141,399,081.99 and 56,051,551.65 is: 77,351,751.79
Step by Step Solution
- Step 1: Write the proportion equation
102,462,294.18 : 141,399,081.99 = 56,051,551.65 : x - Step 2: Convert to fraction form
102,462,294.18/141,399,081.99 = 56,051,551.65/x - Step 3: Cross multiply
102,462,294.18x = 141,399,081.99 × 56,051,551.65 - Step 4: Simplify right side
102,462,294.18x = 7,925,637,947,425,070 - Step 5: Solve for x
x = 7,925,637,947,425,070/102,462,294.18 - Step 6: Final answer
x = 77,351,751.79
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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.