Finding the Fourth Proportional to 230,984,483.16, 346,476,724.74 and 77,630,539.80
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Solution
The fourth proportional to 230,984,483.16, 346,476,724.74 and 77,630,539.80 is: 116,445,809.70
Step by Step Solution
- Step 1: Write the proportion equation
230,984,483.16 : 346,476,724.74 = 77,630,539.80 : x - Step 2: Convert to fraction form
230,984,483.16/346,476,724.74 = 77,630,539.80/x - Step 3: Cross multiply
230,984,483.16x = 346,476,724.74 × 77,630,539.80 - Step 4: Simplify right side
230,984,483.16x = 26,897,175,169,702,216 - Step 5: Solve for x
x = 26,897,175,169,702,216/230,984,483.16 - Step 6: Final answer
x = 116,445,809.70
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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.