Finding the Fourth Proportional to 97,900,860.35, 135,103,256.26 and 53,851,210.31
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Solution
The fourth proportional to 97,900,860.35, 135,103,256.26 and 53,851,210.31 is: 74,314,708.17
Step by Step Solution
- Step 1: Write the proportion equation
97,900,860.35 : 135,103,256.26 = 53,851,210.31 : x - Step 2: Convert to fraction form
97,900,860.35/135,103,256.26 = 53,851,210.31/x - Step 3: Cross multiply
97,900,860.35x = 135,103,256.26 × 53,851,210.31 - Step 4: Simplify right side
97,900,860.35x = 7,275,473,866,017,580 - Step 5: Solve for x
x = 7,275,473,866,017,580/97,900,860.35 - Step 6: Final answer
x = 74,314,708.17
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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.