Finding the Fourth Proportional to 74,217,088.68, 110,723,015.01 and 70,199,394.36
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Solution
The fourth proportional to 74,217,088.68, 110,723,015.01 and 70,199,394.36 is: 104,729,095.87
Step by Step Solution
- Step 1: Write the proportion equation
74,217,088.68 : 110,723,015.01 = 70,199,394.36 : x - Step 2: Convert to fraction form
74,217,088.68/110,723,015.01 = 70,199,394.36/x - Step 3: Cross multiply
74,217,088.68x = 110,723,015.01 × 70,199,394.36 - Step 4: Simplify right side
74,217,088.68x = 7,772,688,595,415,190 - Step 5: Solve for x
x = 7,772,688,595,415,190/74,217,088.68 - Step 6: Final answer
x = 104,729,095.87
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.