Finding the Fourth Proportional to 236,423,587.60, 354,646,440.60 and 74,878,166.80
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Solution
The fourth proportional to 236,423,587.60, 354,646,440.60 and 74,878,166.80 is: 112,320,752.78
Step by Step Solution
- Step 1: Write the proportion equation
236,423,587.60 : 354,646,440.60 = 74,878,166.80 : x - Step 2: Convert to fraction form
236,423,587.60/354,646,440.60 = 74,878,166.80/x - Step 3: Cross multiply
236,423,587.60x = 354,646,440.60 × 74,878,166.80 - Step 4: Simplify right side
236,423,587.60x = 26,555,275,334,273,092 - Step 5: Solve for x
x = 26,555,275,334,273,092/236,423,587.60 - Step 6: Final answer
x = 112,320,752.78
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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.