Finding the Fourth Proportional to 163,068,995.39, 225,044,525.07 and 93,465,970.79
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Solution
The fourth proportional to 163,068,995.39, 225,044,525.07 and 93,465,970.79 is: 128,988,376.70
Step by Step Solution
- Step 1: Write the proportion equation
163,068,995.39 : 225,044,525.07 = 93,465,970.79 : x - Step 2: Convert to fraction form
163,068,995.39/225,044,525.07 = 93,465,970.79/x - Step 3: Cross multiply
163,068,995.39x = 225,044,525.07 × 93,465,970.79 - Step 4: Simplify right side
163,068,995.39x = 21,034,005,005,516,820 - Step 5: Solve for x
x = 21,034,005,005,516,820/163,068,995.39 - Step 6: Final answer
x = 128,988,376.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.