Finding the Fourth Proportional to 157,771,386.52, 236,682,509.79 and 48,596,506.78
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Solution
The fourth proportional to 157,771,386.52, 236,682,509.79 and 48,596,506.78 is: 72,902,593.08
Step by Step Solution
- Step 1: Write the proportion equation
157,771,386.52 : 236,682,509.79 = 48,596,506.78 : x - Step 2: Convert to fraction form
157,771,386.52/236,682,509.79 = 48,596,506.78/x - Step 3: Cross multiply
157,771,386.52x = 236,682,509.79 × 48,596,506.78 - Step 4: Simplify right side
157,771,386.52x = 11,501,943,191,717,152 - Step 5: Solve for x
x = 11,501,943,191,717,152/157,771,386.52 - Step 6: Final answer
x = 72,902,593.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.