Finding the Fourth Proportional to 99,648,292.68, 149,459,582.70 and 31,497,873.48
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Solution
The fourth proportional to 99,648,292.68, 149,459,582.70 and 31,497,873.48 is: 47,242,746.46
Step by Step Solution
- Step 1: Write the proportion equation
99,648,292.68 : 149,459,582.70 = 31,497,873.48 : x - Step 2: Convert to fraction form
99,648,292.68/149,459,582.70 = 31,497,873.48/x - Step 3: Cross multiply
99,648,292.68x = 149,459,582.70 × 31,497,873.48 - Step 4: Simplify right side
99,648,292.68x = 4,707,659,026,258,196 - Step 5: Solve for x
x = 4,707,659,026,258,196/99,648,292.68 - Step 6: Final answer
x = 47,242,746.46
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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.