Finding the Fourth Proportional to 98,134,137.60, 147,201,206.40 and 97,462,291.20
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Solution
The fourth proportional to 98,134,137.60, 147,201,206.40 and 97,462,291.20 is: 146,193,436.80
Step by Step Solution
- Step 1: Write the proportion equation
98,134,137.60 : 147,201,206.40 = 97,462,291.20 : x - Step 2: Convert to fraction form
98,134,137.60/147,201,206.40 = 97,462,291.20/x - Step 3: Cross multiply
98,134,137.60x = 147,201,206.40 × 97,462,291.20 - Step 4: Simplify right side
98,134,137.60x = 14,346,566,843,148,104 - Step 5: Solve for x
x = 14,346,566,843,148,104/98,134,137.60 - Step 6: Final answer
x = 146,193,436.80
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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.