Finding the Fourth Proportional to 83,877,156.76, 115,746,753.16 and 46,709,354.20
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Solution
The fourth proportional to 83,877,156.76, 115,746,753.16 and 46,709,354.20 is: 64,456,835.44
Step by Step Solution
- Step 1: Write the proportion equation
83,877,156.76 : 115,746,753.16 = 46,709,354.20 : x - Step 2: Convert to fraction form
83,877,156.76/115,746,753.16 = 46,709,354.20/x - Step 3: Cross multiply
83,877,156.76x = 115,746,753.16 × 46,709,354.20 - Step 4: Simplify right side
83,877,156.76x = 5,406,456,090,850,409 - Step 5: Solve for x
x = 5,406,456,090,850,409/83,877,156.76 - Step 6: Final answer
x = 64,456,835.44
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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.