Finding the Fourth Proportional to 47,740,862.32, 71,611,795.68 and 38,216,785.12
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Solution
The fourth proportional to 47,740,862.32, 71,611,795.68 and 38,216,785.12 is: 57,325,579.69
Step by Step Solution
- Step 1: Write the proportion equation
47,740,862.32 : 71,611,795.68 = 38,216,785.12 : x - Step 2: Convert to fraction form
47,740,862.32/71,611,795.68 = 38,216,785.12/x - Step 3: Cross multiply
47,740,862.32x = 71,611,795.68 × 38,216,785.12 - Step 4: Simplify right side
47,740,862.32x = 2,736,772,607,559,904.50 - Step 5: Solve for x
x = 2,736,772,607,559,904.50/47,740,862.32 - Step 6: Final answer
x = 57,325,579.69
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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.