Finding the Fourth Proportional to 102,462,291.18, 141,399,077.85 and 56,051,548.65
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Solution
The fourth proportional to 102,462,291.18, 141,399,077.85 and 56,051,548.65 is: 77,351,747.65
Step by Step Solution
- Step 1: Write the proportion equation
102,462,291.18 : 141,399,077.85 = 56,051,548.65 : x - Step 2: Convert to fraction form
102,462,291.18/141,399,077.85 = 56,051,548.65/x - Step 3: Cross multiply
102,462,291.18x = 141,399,077.85 × 56,051,548.65 - Step 4: Simplify right side
102,462,291.18x = 7,925,637,291,174,412 - Step 5: Solve for x
x = 7,925,637,291,174,412/102,462,291.18 - Step 6: Final answer
x = 77,351,747.65
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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.