Finding the Fourth Proportional to 57,878,515.04, 86,772,303.84 and 39,627,501.92
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Solution
The fourth proportional to 57,878,515.04, 86,772,303.84 and 39,627,501.92 is: 59,410,121.95
Step by Step Solution
- Step 1: Write the proportion equation
57,878,515.04 : 86,772,303.84 = 39,627,501.92 : x - Step 2: Convert to fraction form
57,878,515.04/86,772,303.84 = 39,627,501.92/x - Step 3: Cross multiply
57,878,515.04x = 86,772,303.84 × 39,627,501.92 - Step 4: Simplify right side
57,878,515.04x = 3,438,569,637,022,423.50 - Step 5: Solve for x
x = 3,438,569,637,022,423.50/57,878,515.04 - Step 6: Final answer
x = 59,410,121.95
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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.