Finding the Fourth Proportional to 99,557,291.60, 149,335,937.40 and 58,742,622.80
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Solution
The fourth proportional to 99,557,291.60, 149,335,937.40 and 58,742,622.80 is: 88,113,934.20
Step by Step Solution
- Step 1: Write the proportion equation
99,557,291.60 : 149,335,937.40 = 58,742,622.80 : x - Step 2: Convert to fraction form
99,557,291.60/149,335,937.40 = 58,742,622.80/x - Step 3: Cross multiply
99,557,291.60x = 149,335,937.40 × 58,742,622.80 - Step 4: Simplify right side
99,557,291.60x = 8,772,384,641,172,613 - Step 5: Solve for x
x = 8,772,384,641,172,613/99,557,291.60 - Step 6: Final answer
x = 88,113,934.20
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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.