Finding the Fourth Proportional to 98,413,703.70, 147,620,555.55 and 47,283,393.30
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Solution
The fourth proportional to 98,413,703.70, 147,620,555.55 and 47,283,393.30 is: 70,925,089.95
Step by Step Solution
- Step 1: Write the proportion equation
98,413,703.70 : 147,620,555.55 = 47,283,393.30 : x - Step 2: Convert to fraction form
98,413,703.70/147,620,555.55 = 47,283,393.30/x - Step 3: Cross multiply
98,413,703.70x = 147,620,555.55 × 47,283,393.30 - Step 4: Simplify right side
98,413,703.70x = 6,980,000,787,235,148 - Step 5: Solve for x
x = 6,980,000,787,235,148/98,413,703.70 - Step 6: Final answer
x = 70,925,089.95
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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.