Finding the Fourth Proportional to 106,893,887.80, 160,340,831.70 and 53,146,175.80
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Solution
The fourth proportional to 106,893,887.80, 160,340,831.70 and 53,146,175.80 is: 79,719,263.70
Step by Step Solution
- Step 1: Write the proportion equation
106,893,887.80 : 160,340,831.70 = 53,146,175.80 : x - Step 2: Convert to fraction form
106,893,887.80/160,340,831.70 = 53,146,175.80/x - Step 3: Cross multiply
106,893,887.80x = 160,340,831.70 × 53,146,175.80 - Step 4: Simplify right side
106,893,887.80x = 8,521,502,029,446,412 - Step 5: Solve for x
x = 8,521,502,029,446,412/106,893,887.80 - Step 6: Final answer
x = 79,719,263.70
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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.