Finding the Fourth Proportional to 93,220,730,101.18, 128,644,365,574.62 and 52,020,677,891.92
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Solution
The fourth proportional to 93,220,730,101.18, 128,644,365,574.62 and 52,020,677,891.92 is: 71,788,400,465.26
Step by Step Solution
- Step 1: Write the proportion equation
93,220,730,101.18 : 128,644,365,574.62 = 52,020,677,891.92 : x - Step 2: Convert to fraction form
93,220,730,101.18/128,644,365,574.62 = 52,020,677,891.92/x - Step 3: Cross multiply
93,220,730,101.18x = 128,644,365,574.62 × 52,020,677,891.92 - Step 4: Simplify right side
93,220,730,101.18x = 6,692,167,104,167,708,459,008 - Step 5: Solve for x
x = 6,692,167,104,167,708,459,008/93,220,730,101.18 - Step 6: Final answer
x = 71,788,400,465.26
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1.5x scale
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.