Finding the Fourth Proportional to 93,326,830.80, 139,990,246.20 and 87,653,461.20
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Solution
The fourth proportional to 93,326,830.80, 139,990,246.20 and 87,653,461.20 is: 131,480,191.80
Step by Step Solution
- Step 1: Write the proportion equation
93,326,830.80 : 139,990,246.20 = 87,653,461.20 : x - Step 2: Convert to fraction form
93,326,830.80/139,990,246.20 = 87,653,461.20/x - Step 3: Cross multiply
93,326,830.80x = 139,990,246.20 × 87,653,461.20 - Step 4: Simplify right side
93,326,830.80x = 12,270,629,613,670,146 - Step 5: Solve for x
x = 12,270,629,613,670,146/93,326,830.80 - Step 6: Final answer
x = 131,480,191.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.