Finding the Fourth Proportional to 83,341,769,168.61, 115,011,641,285.30 and 47,212,801,545.08
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Solution
The fourth proportional to 83,341,769,168.61, 115,011,641,285.30 and 47,212,801,545.08 is: 65,153,666,037.39
Step by Step Solution
- Step 1: Write the proportion equation
83,341,769,168.61 : 115,011,641,285.30 = 47,212,801,545.08 : x - Step 2: Convert to fraction form
83,341,769,168.61/115,011,641,285.30 = 47,212,801,545.08/x - Step 3: Cross multiply
83,341,769,168.61x = 115,011,641,285.30 × 47,212,801,545.08 - Step 4: Simplify right side
83,341,769,168.61x = 5,430,021,795,377,143,873,536 - Step 5: Solve for x
x = 5,430,021,795,377,143,873,536/83,341,769,168.61 - Step 6: Final answer
x = 65,153,666,037.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.