Finding the Fourth Proportional to 75,749,044.40, 104,533,726.16 and 42,258,523.53
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Solution
The fourth proportional to 75,749,044.40, 104,533,726.16 and 42,258,523.53 is: 58,316,787.52
Step by Step Solution
- Step 1: Write the proportion equation
75,749,044.40 : 104,533,726.16 = 42,258,523.53 : x - Step 2: Convert to fraction form
75,749,044.40/104,533,726.16 = 42,258,523.53/x - Step 3: Cross multiply
75,749,044.40x = 104,533,726.16 × 42,258,523.53 - Step 4: Simplify right side
75,749,044.40x = 4,417,440,927,108,584 - Step 5: Solve for x
x = 4,417,440,927,108,584/75,749,044.40 - Step 6: Final answer
x = 58,316,787.52
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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.