Finding the Fourth Proportional to 71,009,980.05, 106,514,970.08 and 56,661,073.05
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Solution
The fourth proportional to 71,009,980.05, 106,514,970.08 and 56,661,073.05 is: 84,991,609.58
Step by Step Solution
- Step 1: Write the proportion equation
71,009,980.05 : 106,514,970.08 = 56,661,073.05 : x - Step 2: Convert to fraction form
71,009,980.05/106,514,970.08 = 56,661,073.05/x - Step 3: Cross multiply
71,009,980.05x = 106,514,970.08 × 56,661,073.05 - Step 4: Simplify right side
71,009,980.05x = 6,035,252,500,338,139 - Step 5: Solve for x
x = 6,035,252,500,338,139/71,009,980.05 - Step 6: Final answer
x = 84,991,609.58
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1.5x scale
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.