Finding the Fourth Proportional to 358,161,501.80, 537,242,252.70 and 99,376,221.80
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Solution
The fourth proportional to 358,161,501.80, 537,242,252.70 and 99,376,221.80 is: 149,064,332.70
Step by Step Solution
- Step 1: Write the proportion equation
358,161,501.80 : 537,242,252.70 = 99,376,221.80 : x - Step 2: Convert to fraction form
358,161,501.80/537,242,252.70 = 99,376,221.80/x - Step 3: Cross multiply
358,161,501.80x = 537,242,252.70 × 99,376,221.80 - Step 4: Simplify right side
358,161,501.80x = 53,389,105,264,646,848 - Step 5: Solve for x
x = 53,389,105,264,646,848/358,161,501.80 - Step 6: Final answer
x = 149,064,332.70
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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.