Finding the Fourth Proportional to 128,095,501.50, 192,163,158.81 and 43,014,864.06
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Solution
The fourth proportional to 128,095,501.50, 192,163,158.81 and 43,014,864.06 is: 64,528,980.77
Step by Step Solution
- Step 1: Write the proportion equation
128,095,501.50 : 192,163,158.81 = 43,014,864.06 : x - Step 2: Convert to fraction form
128,095,501.50/192,163,158.81 = 43,014,864.06/x - Step 3: Cross multiply
128,095,501.50x = 192,163,158.81 × 43,014,864.06 - Step 4: Simplify right side
128,095,501.50x = 8,265,872,153,552,342 - Step 5: Solve for x
x = 8,265,872,153,552,342/128,095,501.50 - Step 6: Final answer
x = 64,528,980.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.