Finding the Fourth Proportional to 48,270,874.80, 72,409,811.40 and 29,060,266.80
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Solution
The fourth proportional to 48,270,874.80, 72,409,811.40 and 29,060,266.80 is: 43,592,506.81
Step by Step Solution
- Step 1: Write the proportion equation
48,270,874.80 : 72,409,811.40 = 29,060,266.80 : x - Step 2: Convert to fraction form
48,270,874.80/72,409,811.40 = 29,060,266.80/x - Step 3: Cross multiply
48,270,874.80x = 72,409,811.40 × 29,060,266.80 - Step 4: Simplify right side
48,270,874.80x = 2,104,248,438,221,681.75 - Step 5: Solve for x
x = 2,104,248,438,221,681.75/48,270,874.80 - Step 6: Final answer
x = 43,592,506.81
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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.