Finding the Fourth Proportional to 66,516,306.83, 91,125,817.00 and 64,029,417.19
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Solution
The fourth proportional to 66,516,306.83, 91,125,817.00 and 64,029,417.19 is: 87,718,835.15
Step by Step Solution
- Step 1: Write the proportion equation
66,516,306.83 : 91,125,817.00 = 64,029,417.19 : x - Step 2: Convert to fraction form
66,516,306.83/91,125,817.00 = 64,029,417.19/x - Step 3: Cross multiply
66,516,306.83x = 91,125,817.00 × 64,029,417.19 - Step 4: Simplify right side
66,516,306.83x = 5,834,732,953,084,706 - Step 5: Solve for x
x = 5,834,732,953,084,706/66,516,306.83 - Step 6: Final answer
x = 87,718,835.15
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.