Finding the Fourth Proportional to 106,831,417.19, 147,380,547.94 and 62,758,533.92
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Solution
The fourth proportional to 106,831,417.19, 147,380,547.94 and 62,758,533.92 is: 86,579,279.39
Step by Step Solution
- Step 1: Write the proportion equation
106,831,417.19 : 147,380,547.94 = 62,758,533.92 : x - Step 2: Convert to fraction form
106,831,417.19/147,380,547.94 = 62,758,533.92/x - Step 3: Cross multiply
106,831,417.19x = 147,380,547.94 × 62,758,533.92 - Step 4: Simplify right side
106,831,417.19x = 9,249,387,116,146,876 - Step 5: Solve for x
x = 9,249,387,116,146,876/106,831,417.19 - Step 6: Final answer
x = 86,579,279.39
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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.