Finding the Fourth Proportional to 137,205,469.53, 205,776,807.05 and 81,888,924.02
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Solution
The fourth proportional to 137,205,469.53, 205,776,807.05 and 81,888,924.02 is: 122,814,647.07
Step by Step Solution
- Step 1: Write the proportion equation
137,205,469.53 : 205,776,807.05 = 81,888,924.02 : x - Step 2: Convert to fraction form
137,205,469.53/205,776,807.05 = 81,888,924.02/x - Step 3: Cross multiply
137,205,469.53x = 205,776,807.05 × 81,888,924.02 - Step 4: Simplify right side
137,205,469.53x = 16,850,841,316,771,490 - Step 5: Solve for x
x = 16,850,841,316,771,490/137,205,469.53 - Step 6: Final answer
x = 122,814,647.07
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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.