Finding the Fourth Proportional to 139,781,885.28, 209,672,827.85 and 42,737,592.99
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Solution
The fourth proportional to 139,781,885.28, 209,672,827.85 and 42,737,592.99 is: 64,106,389.46
Step by Step Solution
- Step 1: Write the proportion equation
139,781,885.28 : 209,672,827.85 = 42,737,592.99 : x - Step 2: Convert to fraction form
139,781,885.28/209,672,827.85 = 42,737,592.99/x - Step 3: Cross multiply
139,781,885.28x = 209,672,827.85 × 42,737,592.99 - Step 4: Simplify right side
139,781,885.28x = 8,960,911,977,715,637 - Step 5: Solve for x
x = 8,960,911,977,715,637/139,781,885.28 - Step 6: Final answer
x = 64,106,389.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.