Finding the Fourth Proportional to 163,699,614.90, 245,549,422.35 and 98,970,101.10
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Solution
The fourth proportional to 163,699,614.90, 245,549,422.35 and 98,970,101.10 is: 148,455,151.65
Step by Step Solution
- Step 1: Write the proportion equation
163,699,614.90 : 245,549,422.35 = 98,970,101.10 : x - Step 2: Convert to fraction form
163,699,614.90/245,549,422.35 = 98,970,101.10/x - Step 3: Cross multiply
163,699,614.90x = 245,549,422.35 × 98,970,101.10 - Step 4: Simplify right side
163,699,614.90x = 24,302,051,155,026,096 - Step 5: Solve for x
x = 24,302,051,155,026,096/163,699,614.90 - Step 6: Final answer
x = 148,455,151.65
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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.