Finding the Fourth Proportional to 191,282,973.14, 286,625,524.11 and 133,104,320.81
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Solution
The fourth proportional to 191,282,973.14, 286,625,524.11 and 133,104,320.81 is: 199,448,466.78
Step by Step Solution
- Step 1: Write the proportion equation
191,282,973.14 : 286,625,524.11 = 133,104,320.81 : x - Step 2: Convert to fraction form
191,282,973.14/286,625,524.11 = 133,104,320.81/x - Step 3: Cross multiply
191,282,973.14x = 286,625,524.11 × 133,104,320.81 - Step 4: Simplify right side
191,282,973.14x = 38,151,095,712,038,704 - Step 5: Solve for x
x = 38,151,095,712,038,704/191,282,973.14 - Step 6: Final answer
x = 199,448,466.78
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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.