Finding the Fourth Proportional to 102,187,909.44, 140,998,263.74 and 58,719,447.36
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Solution
The fourth proportional to 102,187,909.44, 140,998,263.74 and 58,719,447.36 is: 81,020,740.82
Step by Step Solution
- Step 1: Write the proportion equation
102,187,909.44 : 140,998,263.74 = 58,719,447.36 : x - Step 2: Convert to fraction form
102,187,909.44/140,998,263.74 = 58,719,447.36/x - Step 3: Cross multiply
102,187,909.44x = 140,998,263.74 × 58,719,447.36 - Step 4: Simplify right side
102,187,909.44x = 8,279,340,125,532,327 - Step 5: Solve for x
x = 8,279,340,125,532,327/102,187,909.44 - Step 6: Final answer
x = 81,020,740.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.