Finding the Fourth Proportional to 242,488,987.84, 334,634,937.20 and 130,979,828.01
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Solution
The fourth proportional to 242,488,987.84, 334,634,937.20 and 130,979,828.01 is: 180,752,235.02
Step by Step Solution
- Step 1: Write the proportion equation
242,488,987.84 : 334,634,937.20 = 130,979,828.01 : x - Step 2: Convert to fraction form
242,488,987.84/334,634,937.20 = 130,979,828.01/x - Step 3: Cross multiply
242,488,987.84x = 334,634,937.20 × 130,979,828.01 - Step 4: Simplify right side
242,488,987.84x = 43,830,426,520,593,152 - Step 5: Solve for x
x = 43,830,426,520,593,152/242,488,987.84 - Step 6: Final answer
x = 180,752,235.02
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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.