Finding the Fourth Proportional to 186,792,425,712.20, 257,773,796,067.52 and 101,153,539,149.82
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Solution
The fourth proportional to 186,792,425,712.20, 257,773,796,067.52 and 101,153,539,149.82 is: 139,592,018,642.60
Step by Step Solution
- Step 1: Write the proportion equation
186,792,425,712.20 : 257,773,796,067.52 = 101,153,539,149.82 : x - Step 2: Convert to fraction form
186,792,425,712.20/257,773,796,067.52 = 101,153,539,149.82/x - Step 3: Cross multiply
186,792,425,712.20x = 257,773,796,067.52 × 101,153,539,149.82 - Step 4: Simplify right side
186,792,425,712.20x = 26,074,731,772,313,600,000,000 - Step 5: Solve for x
x = 26,074,731,772,313,600,000,000/186,792,425,712.20 - Step 6: Final answer
x = 139,592,018,642.60
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1.5x scale
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.