Finding the Fourth Proportional to 83,528,306.87, 115,267,328.64 and 46,356,427.98
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Solution
The fourth proportional to 83,528,306.87, 115,267,328.64 and 46,356,427.98 is: 63,970,907.82
Step by Step Solution
- Step 1: Write the proportion equation
83,528,306.87 : 115,267,328.64 = 46,356,427.98 : x - Step 2: Convert to fraction form
83,528,306.87/115,267,328.64 = 46,356,427.98/x - Step 3: Cross multiply
83,528,306.87x = 115,267,328.64 × 46,356,427.98 - Step 4: Simplify right side
83,528,306.87x = 5,343,381,618,547,151 - Step 5: Solve for x
x = 5,343,381,618,547,151/83,528,306.87 - Step 6: Final answer
x = 63,970,907.82
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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.