Finding the Fourth Proportional to 143,761,799.05, 215,739,727.08 and 56,312,469.07
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Solution
The fourth proportional to 143,761,799.05, 215,739,727.08 and 56,312,469.07 is: 84,506,710.33
Step by Step Solution
- Step 1: Write the proportion equation
143,761,799.05 : 215,739,727.08 = 56,312,469.07 : x - Step 2: Convert to fraction form
143,761,799.05/215,739,727.08 = 56,312,469.07/x - Step 3: Cross multiply
143,761,799.05x = 215,739,727.08 × 56,312,469.07 - Step 4: Simplify right side
143,761,799.05x = 12,148,836,708,362,742 - Step 5: Solve for x
x = 12,148,836,708,362,742/143,761,799.05 - Step 6: Final answer
x = 84,506,710.33
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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.