Finding the Fourth Proportional to 114,643,637.32, 158,201,053.14 and 63,135,413.32
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Solution
The fourth proportional to 114,643,637.32, 158,201,053.14 and 63,135,413.32 is: 87,122,923.79
Step by Step Solution
- Step 1: Write the proportion equation
114,643,637.32 : 158,201,053.14 = 63,135,413.32 : x - Step 2: Convert to fraction form
114,643,637.32/158,201,053.14 = 63,135,413.32/x - Step 3: Cross multiply
114,643,637.32x = 158,201,053.14 × 63,135,413.32 - Step 4: Simplify right side
114,643,637.32x = 9,988,088,877,653,182 - Step 5: Solve for x
x = 9,988,088,877,653,182/114,643,637.32 - Step 6: Final answer
x = 87,122,923.79
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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.