Finding the Fourth Proportional to 173,520,726,931.36, 239,445,461,719.44 and 97,382,436,149.92
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Solution
The fourth proportional to 173,520,726,931.36, 239,445,461,719.44 and 97,382,436,149.92 is: 134,380,386,710.26
Step by Step Solution
- Step 1: Write the proportion equation
173,520,726,931.36 : 239,445,461,719.44 = 97,382,436,149.92 : x - Step 2: Convert to fraction form
173,520,726,931.36/239,445,461,719.44 = 97,382,436,149.92/x - Step 3: Cross multiply
173,520,726,931.36x = 239,445,461,719.44 × 97,382,436,149.92 - Step 4: Simplify right side
173,520,726,931.36x = 23,317,782,387,281,478,287,360 - Step 5: Solve for x
x = 23,317,782,387,281,478,287,360/173,520,726,931.36 - Step 6: Final answer
x = 134,380,386,710.26
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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.