Finding the Fourth Proportional to 91,776,124.60, 137,498,298.90 and 53,406,230.20
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Solution
The fourth proportional to 91,776,124.60, 137,498,298.90 and 53,406,230.20 is: 80,012,811.99
Step by Step Solution
- Step 1: Write the proportion equation
91,776,124.60 : 137,498,298.90 = 53,406,230.20 : x - Step 2: Convert to fraction form
91,776,124.60/137,498,298.90 = 53,406,230.20/x - Step 3: Cross multiply
91,776,124.60x = 137,498,298.90 × 53,406,230.20 - Step 4: Simplify right side
91,776,124.60x = 7,343,265,803,161,808 - Step 5: Solve for x
x = 7,343,265,803,161,808/91,776,124.60 - Step 6: Final answer
x = 80,012,811.99
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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.