Finding the Fourth Proportional to 367,427,209.80, 551,140,814.70 and 163,353,865.80
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Solution
The fourth proportional to 367,427,209.80, 551,140,814.70 and 163,353,865.80 is: 245,030,798.70
Step by Step Solution
- Step 1: Write the proportion equation
367,427,209.80 : 551,140,814.70 = 163,353,865.80 : x - Step 2: Convert to fraction form
367,427,209.80/551,140,814.70 = 163,353,865.80/x - Step 3: Cross multiply
367,427,209.80x = 551,140,814.70 × 163,353,865.80 - Step 4: Simplify right side
367,427,209.80x = 90,030,982,681,406,480 - Step 5: Solve for x
x = 90,030,982,681,406,480/367,427,209.80 - Step 6: Final answer
x = 245,030,798.70
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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.