Finding the Fourth Proportional to 68,428,275.36, 94,430,987.28 and 40,926,203.04
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Solution
The fourth proportional to 68,428,275.36, 94,430,987.28 and 40,926,203.04 is: 56,478,140.63
Step by Step Solution
- Step 1: Write the proportion equation
68,428,275.36 : 94,430,987.28 = 40,926,203.04 : x - Step 2: Convert to fraction form
68,428,275.36/94,430,987.28 = 40,926,203.04/x - Step 3: Cross multiply
68,428,275.36x = 94,430,987.28 × 40,926,203.04 - Step 4: Simplify right side
68,428,275.36x = 3,864,701,758,688,937.50 - Step 5: Solve for x
x = 3,864,701,758,688,937.50/68,428,275.36 - Step 6: Final answer
x = 56,478,140.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.