Finding the Fourth Proportional to 70,996,823.70, 106,495,235.55 and 63,344,073.30
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Solution
The fourth proportional to 70,996,823.70, 106,495,235.55 and 63,344,073.30 is: 95,016,109.95
Step by Step Solution
- Step 1: Write the proportion equation
70,996,823.70 : 106,495,235.55 = 63,344,073.30 : x - Step 2: Convert to fraction form
70,996,823.70/106,495,235.55 = 63,344,073.30/x - Step 3: Cross multiply
70,996,823.70x = 106,495,235.55 × 63,344,073.30 - Step 4: Simplify right side
70,996,823.70x = 6,745,842,006,779,965 - Step 5: Solve for x
x = 6,745,842,006,779,965/70,996,823.70 - Step 6: Final answer
x = 95,016,109.95
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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.