Finding the Fourth Proportional to 120,312,671.18, 166,026,703.25 and 68,112,535.05
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Solution
The fourth proportional to 120,312,671.18, 166,026,703.25 and 68,112,535.05 is: 93,992,590.59
Step by Step Solution
- Step 1: Write the proportion equation
120,312,671.18 : 166,026,703.25 = 68,112,535.05 : x - Step 2: Convert to fraction form
120,312,671.18/166,026,703.25 = 68,112,535.05/x - Step 3: Cross multiply
120,312,671.18x = 166,026,703.25 × 68,112,535.05 - Step 4: Simplify right side
120,312,671.18x = 11,308,499,644,521,854 - Step 5: Solve for x
x = 11,308,499,644,521,854/120,312,671.18 - Step 6: Final answer
x = 93,992,590.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.