Finding the Fourth Proportional to 75,542,875.90, 113,482,275.45 and 72,687,528.70
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Solution
The fourth proportional to 75,542,875.90, 113,482,275.45 and 72,687,528.70 is: 109,192,906.09
Step by Step Solution
- Step 1: Write the proportion equation
75,542,875.90 : 113,482,275.45 = 72,687,528.70 : x - Step 2: Convert to fraction form
75,542,875.90/113,482,275.45 = 72,687,528.70/x - Step 3: Cross multiply
75,542,875.90x = 113,482,275.45 × 72,687,528.70 - Step 4: Simplify right side
75,542,875.90x = 8,248,746,153,713,181 - Step 5: Solve for x
x = 8,248,746,153,713,181/75,542,875.90 - Step 6: Final answer
x = 109,192,906.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.