Finding the Fourth Proportional to 51,238,657.36, 70,702,363.92 and 30,607,724.08
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Solution
The fourth proportional to 51,238,657.36, 70,702,363.92 and 30,607,724.08 is: 42,234,487.75
Step by Step Solution
- Step 1: Write the proportion equation
51,238,657.36 : 70,702,363.92 = 30,607,724.08 : x - Step 2: Convert to fraction form
51,238,657.36/70,702,363.92 = 30,607,724.08/x - Step 3: Cross multiply
51,238,657.36x = 70,702,363.92 × 30,607,724.08 - Step 4: Simplify right side
51,238,657.36x = 2,164,038,446,667,107 - Step 5: Solve for x
x = 2,164,038,446,667,107/51,238,657.36 - Step 6: Final answer
x = 42,234,487.75
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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.