Finding the Fourth Proportional to 119,872,379.52, 165,424,029.98 and 64,868,236.02
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Solution
The fourth proportional to 119,872,379.52, 165,424,029.98 and 64,868,236.02 is: 89,518,244.84
Step by Step Solution
- Step 1: Write the proportion equation
119,872,379.52 : 165,424,029.98 = 64,868,236.02 : x - Step 2: Convert to fraction form
119,872,379.52/165,424,029.98 = 64,868,236.02/x - Step 3: Cross multiply
119,872,379.52x = 165,424,029.98 × 64,868,236.02 - Step 4: Simplify right side
119,872,379.52x = 10,730,765,019,797,854 - Step 5: Solve for x
x = 10,730,765,019,797,854/119,872,379.52 - Step 6: Final answer
x = 89,518,244.84
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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.