Finding the Fourth Proportional to 99,853,122.60, 149,779,683.90 and 42,335,605.80
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Solution
The fourth proportional to 99,853,122.60, 149,779,683.90 and 42,335,605.80 is: 63,503,408.70
Step by Step Solution
- Step 1: Write the proportion equation
99,853,122.60 : 149,779,683.90 = 42,335,605.80 : x - Step 2: Convert to fraction form
99,853,122.60/149,779,683.90 = 42,335,605.80/x - Step 3: Cross multiply
99,853,122.60x = 149,779,683.90 × 42,335,605.80 - Step 4: Simplify right side
99,853,122.60x = 6,341,013,654,439,006 - Step 5: Solve for x
x = 6,341,013,654,439,006/99,853,122.60 - Step 6: Final answer
x = 63,503,408.70
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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.