Finding the Fourth Proportional to 163,670,985.32, 225,864,847.14 and 90,332,127.08
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Solution
The fourth proportional to 163,670,985.32, 225,864,847.14 and 90,332,127.08 is: 124,657,721.31
Step by Step Solution
- Step 1: Write the proportion equation
163,670,985.32 : 225,864,847.14 = 90,332,127.08 : x - Step 2: Convert to fraction form
163,670,985.32/225,864,847.14 = 90,332,127.08/x - Step 3: Cross multiply
163,670,985.32x = 225,864,847.14 × 90,332,127.08 - Step 4: Simplify right side
163,670,985.32x = 20,402,852,074,755,252 - Step 5: Solve for x
x = 20,402,852,074,755,252/163,670,985.32 - Step 6: Final answer
x = 124,657,721.31
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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.