Finding the Fourth Proportional to 157,578,500.21, 236,376,370.93 and 65,471,551.07
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Solution
The fourth proportional to 157,578,500.21, 236,376,370.93 and 65,471,551.07 is: 98,210,908.35
Step by Step Solution
- Step 1: Write the proportion equation
157,578,500.21 : 236,376,370.93 = 65,471,551.07 : x - Step 2: Convert to fraction form
157,578,500.21/236,376,370.93 = 65,471,551.07/x - Step 3: Cross multiply
157,578,500.21x = 236,376,370.93 × 65,471,551.07 - Step 4: Simplify right side
157,578,500.21x = 15,475,927,641,512,020 - Step 5: Solve for x
x = 15,475,927,641,512,020/157,578,500.21 - Step 6: Final answer
x = 98,210,908.35
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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.