Finding the Fourth Proportional to 157,464,830.80, 236,197,246.20 and 88,590,077.20
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Solution
The fourth proportional to 157,464,830.80, 236,197,246.20 and 88,590,077.20 is: 132,885,115.80
Step by Step Solution
- Step 1: Write the proportion equation
157,464,830.80 : 236,197,246.20 = 88,590,077.20 : x - Step 2: Convert to fraction form
157,464,830.80/236,197,246.20 = 88,590,077.20/x - Step 3: Cross multiply
157,464,830.80x = 236,197,246.20 × 88,590,077.20 - Step 4: Simplify right side
157,464,830.80x = 20,924,732,275,285,408 - Step 5: Solve for x
x = 20,924,732,275,285,408/157,464,830.80 - Step 6: Final answer
x = 132,885,115.80
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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.