Finding the Fourth Proportional to 68,278,045.80, 102,417,068.70 and 62,060,186.10
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Solution
The fourth proportional to 68,278,045.80, 102,417,068.70 and 62,060,186.10 is: 93,090,279.15
Step by Step Solution
- Step 1: Write the proportion equation
68,278,045.80 : 102,417,068.70 = 62,060,186.10 : x - Step 2: Convert to fraction form
68,278,045.80/102,417,068.70 = 62,060,186.10/x - Step 3: Cross multiply
68,278,045.80x = 102,417,068.70 × 62,060,186.10 - Step 4: Simplify right side
68,278,045.80x = 6,356,022,343,338,485 - Step 5: Solve for x
x = 6,356,022,343,338,485/68,278,045.80 - Step 6: Final answer
x = 93,090,279.15
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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.