Finding the Fourth Proportional to 242,488,983.08, 334,634,930.64 and 130,979,823.26
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Solution
The fourth proportional to 242,488,983.08, 334,634,930.64 and 130,979,823.26 is: 180,752,228.46
Step by Step Solution
- Step 1: Write the proportion equation
242,488,983.08 : 334,634,930.64 = 130,979,823.26 : x - Step 2: Convert to fraction form
242,488,983.08/334,634,930.64 = 130,979,823.26/x - Step 3: Cross multiply
242,488,983.08x = 334,634,930.64 × 130,979,823.26 - Step 4: Simplify right side
242,488,983.08x = 43,830,424,070,176,384 - Step 5: Solve for x
x = 43,830,424,070,176,384/242,488,983.08 - Step 6: Final answer
x = 180,752,228.46
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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.