Finding the Fourth Proportional to 87,029,417.58, 130,499,202.79 and 25,610,601.39
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Solution
The fourth proportional to 87,029,417.58, 130,499,202.79 and 25,610,601.39 is: 38,402,682.19
Step by Step Solution
- Step 1: Write the proportion equation
87,029,417.58 : 130,499,202.79 = 25,610,601.39 : x - Step 2: Convert to fraction form
87,029,417.58/130,499,202.79 = 25,610,601.39/x - Step 3: Cross multiply
87,029,417.58x = 130,499,202.79 × 25,610,601.39 - Step 4: Simplify right side
87,029,417.58x = 3,342,163,064,367,466 - Step 5: Solve for x
x = 3,342,163,064,367,466/87,029,417.58 - Step 6: Final answer
x = 38,402,682.19
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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.