Finding the Fourth Proportional to 69,862,823.08, 96,345,303.06 and 55,213,487.08
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Solution
The fourth proportional to 69,862,823.08, 96,345,303.06 and 55,213,487.08 is: 76,142,931.41
Step by Step Solution
- Step 1: Write the proportion equation
69,862,823.08 : 96,345,303.06 = 55,213,487.08 : x - Step 2: Convert to fraction form
69,862,823.08/96,345,303.06 = 55,213,487.08/x - Step 3: Cross multiply
69,862,823.08x = 96,345,303.06 × 55,213,487.08 - Step 4: Simplify right side
69,862,823.08x = 5,319,560,145,721,994 - Step 5: Solve for x
x = 5,319,560,145,721,994/69,862,823.08 - Step 6: Final answer
x = 76,142,931.41
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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.