Finding the Fourth Proportional to 77,183,688.23, 106,513,699.31 and 42,378,632.99
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Solution
The fourth proportional to 77,183,688.23, 106,513,699.31 and 42,378,632.99 is: 58,482,628.58
Step by Step Solution
- Step 1: Write the proportion equation
77,183,688.23 : 106,513,699.31 = 42,378,632.99 : x - Step 2: Convert to fraction form
77,183,688.23/106,513,699.31 = 42,378,632.99/x - Step 3: Cross multiply
77,183,688.23x = 106,513,699.31 × 42,378,632.99 - Step 4: Simplify right side
77,183,688.23x = 4,513,904,971,465,707 - Step 5: Solve for x
x = 4,513,904,971,465,707/77,183,688.23 - Step 6: Final answer
x = 58,482,628.58
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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.