Finding the Fourth Proportional to 137,808,807.51, 206,743,479.12 and 40,756,948.68
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Solution
The fourth proportional to 137,808,807.51, 206,743,479.12 and 40,756,948.68 is: 61,144,374.74
Step by Step Solution
- Step 1: Write the proportion equation
137,808,807.51 : 206,743,479.12 = 40,756,948.68 : x - Step 2: Convert to fraction form
137,808,807.51/206,743,479.12 = 40,756,948.68/x - Step 3: Cross multiply
137,808,807.51x = 206,743,479.12 × 40,756,948.68 - Step 4: Simplify right side
137,808,807.51x = 8,426,233,368,418,492 - Step 5: Solve for x
x = 8,426,233,368,418,492/137,808,807.51 - Step 6: Final answer
x = 61,144,374.74
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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.