Finding the Fourth Proportional to 260,312,165.08, 390,262,798.30 and 129,063,946.44
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Solution
The fourth proportional to 260,312,165.08, 390,262,798.30 and 129,063,946.44 is: 193,494,056.96
Step by Step Solution
- Step 1: Write the proportion equation
260,312,165.08 : 390,262,798.30 = 129,063,946.44 : x - Step 2: Convert to fraction form
260,312,165.08/390,262,798.30 = 129,063,946.44/x - Step 3: Cross multiply
260,312,165.08x = 390,262,798.30 × 129,063,946.44 - Step 4: Simplify right side
260,312,165.08x = 50,368,856,897,315,720 - Step 5: Solve for x
x = 50,368,856,897,315,720/260,312,165.08 - Step 6: Final answer
x = 193,494,056.96
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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.