Finding the Fourth Proportional to 97,805,910.30, 146,708,865.45 and 52,456,278.30
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Solution
The fourth proportional to 97,805,910.30, 146,708,865.45 and 52,456,278.30 is: 78,684,417.45
Step by Step Solution
- Step 1: Write the proportion equation
97,805,910.30 : 146,708,865.45 = 52,456,278.30 : x - Step 2: Convert to fraction form
97,805,910.30/146,708,865.45 = 52,456,278.30/x - Step 3: Cross multiply
97,805,910.30x = 146,708,865.45 × 52,456,278.30 - Step 4: Simplify right side
97,805,910.30x = 7,695,801,075,122,454 - Step 5: Solve for x
x = 7,695,801,075,122,454/97,805,910.30 - Step 6: Final answer
x = 78,684,417.45
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Similar ratio
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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.