Finding the Fourth Proportional to 83,838,797.24, 115,696,355.12 and 47,169,280.76
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Solution
The fourth proportional to 83,838,797.24, 115,696,355.12 and 47,169,280.76 is: 65,092,940.71
Step by Step Solution
- Step 1: Write the proportion equation
83,838,797.24 : 115,696,355.12 = 47,169,280.76 : x - Step 2: Convert to fraction form
83,838,797.24/115,696,355.12 = 47,169,280.76/x - Step 3: Cross multiply
83,838,797.24x = 115,696,355.12 × 47,169,280.76 - Step 4: Simplify right side
83,838,797.24x = 5,457,313,857,563,943 - Step 5: Solve for x
x = 5,457,313,857,563,943/83,838,797.24 - Step 6: Final answer
x = 65,092,940.71
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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.