Finding the Fourth Proportional to 78,249,071.64, 117,335,854.98 and 32,798,662.68
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Solution
The fourth proportional to 78,249,071.64, 117,335,854.98 and 32,798,662.68 is: 49,182,169.80
Step by Step Solution
- Step 1: Write the proportion equation
78,249,071.64 : 117,335,854.98 = 32,798,662.68 : x - Step 2: Convert to fraction form
78,249,071.64/117,335,854.98 = 32,798,662.68/x - Step 3: Cross multiply
78,249,071.64x = 117,335,854.98 × 32,798,662.68 - Step 4: Simplify right side
78,249,071.64x = 3,848,459,127,758,418 - Step 5: Solve for x
x = 3,848,459,127,758,418/78,249,071.64 - Step 6: Final answer
x = 49,182,169.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.