Finding the Fourth Proportional to 195,713,575.60, 270,085,802.06 and 115,249,077.94
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Solution
The fourth proportional to 195,713,575.60, 270,085,802.06 and 115,249,077.94 is: 159,044,356.31
Step by Step Solution
- Step 1: Write the proportion equation
195,713,575.60 : 270,085,802.06 = 115,249,077.94 : x - Step 2: Convert to fraction form
195,713,575.60/270,085,802.06 = 115,249,077.94/x - Step 3: Cross multiply
195,713,575.60x = 270,085,802.06 × 115,249,077.94 - Step 4: Simplify right side
195,713,575.60x = 31,127,139,652,100,352 - Step 5: Solve for x
x = 31,127,139,652,100,352/195,713,575.60 - Step 6: Final answer
x = 159,044,356.31
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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.