Finding the Fourth Proportional to 242,705,746.74, 364,018,761.99 and 104,494,144.20
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Solution
The fourth proportional to 242,705,746.74, 364,018,761.99 and 104,494,144.20 is: 156,724,055.85
Step by Step Solution
- Step 1: Write the proportion equation
242,705,746.74 : 364,018,761.99 = 104,494,144.20 : x - Step 2: Convert to fraction form
242,705,746.74/364,018,761.99 = 104,494,144.20/x - Step 3: Cross multiply
242,705,746.74x = 364,018,761.99 × 104,494,144.20 - Step 4: Simplify right side
242,705,746.74x = 38,037,829,006,888,544 - Step 5: Solve for x
x = 38,037,829,006,888,544/242,705,746.74 - Step 6: Final answer
x = 156,724,055.85
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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.