Finding the Fourth Proportional to 170,658,929.16, 235,507,551.84 and 92,340,753.30
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Solution
The fourth proportional to 170,658,929.16, 235,507,551.84 and 92,340,753.30 is: 127,429,281.62
Step by Step Solution
- Step 1: Write the proportion equation
170,658,929.16 : 235,507,551.84 = 92,340,753.30 : x - Step 2: Convert to fraction form
170,658,929.16/235,507,551.84 = 92,340,753.30/x - Step 3: Cross multiply
170,658,929.16x = 235,507,551.84 × 92,340,753.30 - Step 4: Simplify right side
170,658,929.16x = 21,746,944,744,744,400 - Step 5: Solve for x
x = 21,746,944,744,744,400/170,658,929.16 - Step 6: Final answer
x = 127,429,281.62
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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.