Finding the Fourth Proportional to 70,989,430.50, 106,495,911.81 and 24,919,345.98
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Solution
The fourth proportional to 70,989,430.50, 106,495,911.81 and 24,919,345.98 is: 37,383,149.20
Step by Step Solution
- Step 1: Write the proportion equation
70,989,430.50 : 106,495,911.81 = 24,919,345.98 : x - Step 2: Convert to fraction form
70,989,430.50/106,495,911.81 = 24,919,345.98/x - Step 3: Cross multiply
70,989,430.50x = 106,495,911.81 × 24,919,345.98 - Step 4: Simplify right side
70,989,430.50x = 2,653,808,471,848,958 - Step 5: Solve for x
x = 2,653,808,471,848,958/70,989,430.50 - Step 6: Final answer
x = 37,383,149.20
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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.