Finding the Fourth Proportional to 292,377,192.91, 438,561,656.74 and 71,050,159.70
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Solution
The fourth proportional to 292,377,192.91, 438,561,656.74 and 71,050,159.70 is: 106,574,235.29
Step by Step Solution
- Step 1: Write the proportion equation
292,377,192.91 : 438,561,656.74 = 71,050,159.70 : x - Step 2: Convert to fraction form
292,377,192.91/438,561,656.74 = 71,050,159.70/x - Step 3: Cross multiply
292,377,192.91x = 438,561,656.74 × 71,050,159.70 - Step 4: Simplify right side
292,377,192.91x = 31,159,875,749,213,484 - Step 5: Solve for x
x = 31,159,875,749,213,484/292,377,192.91 - Step 6: Final answer
x = 106,574,235.29
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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.