Finding the Fourth Proportional to 157,770,322.68, 236,655,488.34 and 42,754,860.84
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Solution
The fourth proportional to 157,770,322.68, 236,655,488.34 and 42,754,860.84 is: 64,132,292.43
Step by Step Solution
- Step 1: Write the proportion equation
157,770,322.68 : 236,655,488.34 = 42,754,860.84 : x - Step 2: Convert to fraction form
157,770,322.68/236,655,488.34 = 42,754,860.84/x - Step 3: Cross multiply
157,770,322.68x = 236,655,488.34 × 42,754,860.84 - Step 4: Simplify right side
157,770,322.68x = 10,118,172,470,998,944 - Step 5: Solve for x
x = 10,118,172,470,998,944/157,770,322.68 - Step 6: Final answer
x = 64,132,292.43
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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.