Finding the Fourth Proportional to 291,490,733.60, 437,258,704.80 and 97,402,842.80
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Solution
The fourth proportional to 291,490,733.60, 437,258,704.80 and 97,402,842.80 is: 146,111,817.55
Step by Step Solution
- Step 1: Write the proportion equation
291,490,733.60 : 437,258,704.80 = 97,402,842.80 : x - Step 2: Convert to fraction form
291,490,733.60/437,258,704.80 = 97,402,842.80/x - Step 3: Cross multiply
291,490,733.60x = 437,258,704.80 × 97,402,842.80 - Step 4: Simplify right side
291,490,733.60x = 42,590,240,886,566,008 - Step 5: Solve for x
x = 42,590,240,886,566,008/291,490,733.60 - Step 6: Final answer
x = 146,111,817.55
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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.