Finding the Fourth Proportional to 157,465,135.60, 236,197,703.40 and 42,461,303.20
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Solution
The fourth proportional to 157,465,135.60, 236,197,703.40 and 42,461,303.20 is: 63,691,954.80
Step by Step Solution
- Step 1: Write the proportion equation
157,465,135.60 : 236,197,703.40 = 42,461,303.20 : x - Step 2: Convert to fraction form
157,465,135.60/236,197,703.40 = 42,461,303.20/x - Step 3: Cross multiply
157,465,135.60x = 236,197,703.40 × 42,461,303.20 - Step 4: Simplify right side
157,465,135.60x = 10,029,262,299,211,072 - Step 5: Solve for x
x = 10,029,262,299,211,072/157,465,135.60 - Step 6: Final answer
x = 63,691,954.80
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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.