Finding the Fourth Proportional to 358,402,848.10, 537,226,358.55 and 139,968,787.30
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Solution
The fourth proportional to 358,402,848.10, 537,226,358.55 and 139,968,787.30 is: 209,805,592.53
Step by Step Solution
- Step 1: Write the proportion equation
358,402,848.10 : 537,226,358.55 = 139,968,787.30 : x - Step 2: Convert to fraction form
358,402,848.10/537,226,358.55 = 139,968,787.30/x - Step 3: Cross multiply
358,402,848.10x = 537,226,358.55 × 139,968,787.30 - Step 4: Simplify right side
358,402,848.10x = 75,194,921,911,838,480 - Step 5: Solve for x
x = 75,194,921,911,838,480/358,402,848.10 - Step 6: Final answer
x = 209,805,592.53
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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.