Finding the Fourth Proportional to 260,064,901.76, 390,037,658.24 and 155,049,959.49
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Solution
The fourth proportional to 260,064,901.76, 390,037,658.24 and 155,049,959.49 is: 232,539,349.60
Step by Step Solution
- Step 1: Write the proportion equation
260,064,901.76 : 390,037,658.24 = 155,049,959.49 : x - Step 2: Convert to fraction form
260,064,901.76/390,037,658.24 = 155,049,959.49/x - Step 3: Cross multiply
260,064,901.76x = 390,037,658.24 × 155,049,959.49 - Step 4: Simplify right side
260,064,901.76x = 60,475,323,108,911,224 - Step 5: Solve for x
x = 60,475,323,108,911,224/260,064,901.76 - Step 6: Final answer
x = 232,539,349.60
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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.