Finding the Fourth Proportional to 143,607,181,837.80, 215,410,772,756.70 and 84,834,058,765.80
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Solution
The fourth proportional to 143,607,181,837.80, 215,410,772,756.70 and 84,834,058,765.80 is: 127,251,088,148.70
Step by Step Solution
- Step 1: Write the proportion equation
143,607,181,837.80 : 215,410,772,756.70 = 84,834,058,765.80 : x - Step 2: Convert to fraction form
143,607,181,837.80/215,410,772,756.70 = 84,834,058,765.80/x - Step 3: Cross multiply
143,607,181,837.80x = 215,410,772,756.70 × 84,834,058,765.80 - Step 4: Simplify right side
143,607,181,837.80x = 18,274,170,154,828,278,267,904 - Step 5: Solve for x
x = 18,274,170,154,828,278,267,904/143,607,181,837.80 - Step 6: Final answer
x = 127,251,088,148.70
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1.5x scale
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.