Finding the Fourth Proportional to 134,272,160,934.40, 201,308,949,314.70 and 81,201,395,511.28
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Solution
The fourth proportional to 134,272,160,934.40, 201,308,949,314.70 and 81,201,395,511.28 is: 121,742,046,150.95
Step by Step Solution
- Step 1: Write the proportion equation
134,272,160,934.40 : 201,308,949,314.70 = 81,201,395,511.28 : x - Step 2: Convert to fraction form
134,272,160,934.40/201,308,949,314.70 = 81,201,395,511.28/x - Step 3: Cross multiply
134,272,160,934.40x = 201,308,949,314.70 × 81,201,395,511.28 - Step 4: Simplify right side
134,272,160,934.40x = 16,346,567,613,263,174,959,104 - Step 5: Solve for x
x = 16,346,567,613,263,174,959,104/134,272,160,934.40 - Step 6: Final answer
x = 121,742,046,150.95
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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.