Finding the Fourth Proportional to 101,534,320.84, 140,248,798.14 and 83,964,194.00
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Solution
The fourth proportional to 101,534,320.84, 140,248,798.14 and 83,964,194.00 is: 115,979,278.70
Step by Step Solution
- Step 1: Write the proportion equation
101,534,320.84 : 140,248,798.14 = 83,964,194.00 : x - Step 2: Convert to fraction form
101,534,320.84/140,248,798.14 = 83,964,194.00/x - Step 3: Cross multiply
101,534,320.84x = 140,248,798.14 × 83,964,194.00 - Step 4: Simplify right side
101,534,320.84x = 11,775,877,294,802,468 - Step 5: Solve for x
x = 11,775,877,294,802,468/101,534,320.84 - Step 6: Final answer
x = 115,979,278.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.