Finding the Fourth Proportional to 137,863,921,593.36, 206,506,281,844.08 and 87,473,417,479.44
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Solution
The fourth proportional to 137,863,921,593.36, 206,506,281,844.08 and 87,473,417,479.44 is: 131,026,377,279.15
Step by Step Solution
- Step 1: Write the proportion equation
137,863,921,593.36 : 206,506,281,844.08 = 87,473,417,479.44 : x - Step 2: Convert to fraction form
137,863,921,593.36/206,506,281,844.08 = 87,473,417,479.44/x - Step 3: Cross multiply
137,863,921,593.36x = 206,506,281,844.08 × 87,473,417,479.44 - Step 4: Simplify right side
137,863,921,593.36x = 18,063,810,203,874,110,734,336 - Step 5: Solve for x
x = 18,063,810,203,874,110,734,336/137,863,921,593.36 - Step 6: Final answer
x = 131,026,377,279.15
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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.