Finding the Fourth Proportional to 70,956,656.70, 106,434,985.05 and 41,780,545.80
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Solution
The fourth proportional to 70,956,656.70, 106,434,985.05 and 41,780,545.80 is: 62,670,818.70
Step by Step Solution
- Step 1: Write the proportion equation
70,956,656.70 : 106,434,985.05 = 41,780,545.80 : x - Step 2: Convert to fraction form
70,956,656.70/106,434,985.05 = 41,780,545.80/x - Step 3: Cross multiply
70,956,656.70x = 106,434,985.05 × 41,780,545.80 - Step 4: Simplify right side
70,956,656.70x = 4,446,911,767,603,840 - Step 5: Solve for x
x = 4,446,911,767,603,840/70,956,656.70 - Step 6: Final answer
x = 62,670,818.70
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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.