Finding the Fourth Proportional to 42,990,539.23, 59,329,437.66 and 32,374,923.85
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Solution
The fourth proportional to 42,990,539.23, 59,329,437.66 and 32,374,923.85 is: 44,679,272.71
Step by Step Solution
- Step 1: Write the proportion equation
42,990,539.23 : 59,329,437.66 = 32,374,923.85 : x - Step 2: Convert to fraction form
42,990,539.23/59,329,437.66 = 32,374,923.85/x - Step 3: Cross multiply
42,990,539.23x = 59,329,437.66 × 32,374,923.85 - Step 4: Simplify right side
42,990,539.23x = 1,920,786,026,305,822.25 - Step 5: Solve for x
x = 1,920,786,026,305,822.25/42,990,539.23 - Step 6: Final answer
x = 44,679,272.71
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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.