Finding the Fourth Proportional to 276,299,878.58, 381,465,910.53 and 175,884,973.50
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Solution
The fourth proportional to 276,299,878.58, 381,465,910.53 and 175,884,973.50 is: 242,830,803.65
Step by Step Solution
- Step 1: Write the proportion equation
276,299,878.58 : 381,465,910.53 = 175,884,973.50 : x - Step 2: Convert to fraction form
276,299,878.58/381,465,910.53 = 175,884,973.50/x - Step 3: Cross multiply
276,299,878.58x = 381,465,910.53 × 175,884,973.50 - Step 4: Simplify right side
276,299,878.58x = 67,094,121,564,722,416 - Step 5: Solve for x
x = 67,094,121,564,722,416/276,299,878.58 - Step 6: Final answer
x = 242,830,803.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.