Finding the Fourth Proportional to 172,413,354,840.20, 258,620,032,260.30 and 101,885,607,153.80
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Solution
The fourth proportional to 172,413,354,840.20, 258,620,032,260.30 and 101,885,607,153.80 is: 152,828,410,730.70
Step by Step Solution
- Step 1: Write the proportion equation
172,413,354,840.20 : 258,620,032,260.30 = 101,885,607,153.80 : x - Step 2: Convert to fraction form
172,413,354,840.20/258,620,032,260.30 = 101,885,607,153.80/x - Step 3: Cross multiply
172,413,354,840.20x = 258,620,032,260.30 × 101,885,607,153.80 - Step 4: Simplify right side
172,413,354,840.20x = 26,349,659,008,976,006,676,480 - Step 5: Solve for x
x = 26,349,659,008,976,006,676,480/172,413,354,840.20 - Step 6: Final answer
x = 152,828,410,730.70
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1.5x scale
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.