Finding the Fourth Proportional to 155,788,762.86, 213,862,699.98 and 133,723,955.84
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Solution
The fourth proportional to 155,788,762.86, 213,862,699.98 and 133,723,955.84 is: 183,572,715.53
Step by Step Solution
- Step 1: Write the proportion equation
155,788,762.86 : 213,862,699.98 = 133,723,955.84 : x - Step 2: Convert to fraction form
155,788,762.86/213,862,699.98 = 133,723,955.84/x - Step 3: Cross multiply
155,788,762.86x = 213,862,699.98 × 133,723,955.84 - Step 4: Simplify right side
155,788,762.86x = 28,598,566,246,879,372 - Step 5: Solve for x
x = 28,598,566,246,879,372/155,788,762.86 - Step 6: Final answer
x = 183,572,715.53
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.