Finding the Fourth Proportional to 99,091,203.57, 148,655,946.86 and 37,675,587.09
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Solution
The fourth proportional to 99,091,203.57, 148,655,946.86 and 37,675,587.09 is: 56,520,658.45
Step by Step Solution
- Step 1: Write the proportion equation
99,091,203.57 : 148,655,946.86 = 37,675,587.09 : x - Step 2: Convert to fraction form
99,091,203.57/148,655,946.86 = 37,675,587.09/x - Step 3: Cross multiply
99,091,203.57x = 148,655,946.86 × 37,675,587.09 - Step 4: Simplify right side
99,091,203.57x = 5,600,700,072,181,964 - Step 5: Solve for x
x = 5,600,700,072,181,964/99,091,203.57 - Step 6: Final answer
x = 56,520,658.45
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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.