Finding the Fourth Proportional to 106,376,405.10, 159,564,607.65 and 38,221,320.30
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Solution
The fourth proportional to 106,376,405.10, 159,564,607.65 and 38,221,320.30 is: 57,331,980.45
Step by Step Solution
- Step 1: Write the proportion equation
106,376,405.10 : 159,564,607.65 = 38,221,320.30 : x - Step 2: Convert to fraction form
106,376,405.10/159,564,607.65 = 38,221,320.30/x - Step 3: Cross multiply
106,376,405.10x = 159,564,607.65 × 38,221,320.30 - Step 4: Simplify right side
106,376,405.10x = 6,098,769,977,534,480 - Step 5: Solve for x
x = 6,098,769,977,534,480/106,376,405.10 - Step 6: Final answer
x = 57,331,980.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.