Finding the Fourth Proportional to 242,488,923.60, 334,634,848.84 and 130,979,763.91
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Solution
The fourth proportional to 242,488,923.60, 334,634,848.84 and 130,979,763.91 is: 180,752,146.72
Step by Step Solution
- Step 1: Write the proportion equation
242,488,923.60 : 334,634,848.84 = 130,979,763.91 : x - Step 2: Convert to fraction form
242,488,923.60/334,634,848.84 = 130,979,763.91/x - Step 3: Cross multiply
242,488,923.60x = 334,634,848.84 × 130,979,763.91 - Step 4: Simplify right side
242,488,923.60x = 43,830,393,497,121,736 - Step 5: Solve for x
x = 43,830,393,497,121,736/242,488,923.60 - Step 6: Final answer
x = 180,752,146.72
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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.