Home / 292,511,702.40-438,767,553.60-98,358,590.40

Finding the Fourth Proportional to 292,511,702.40, 438,767,553.60 and 98,358,590.40

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Solution

The fourth proportional to 292,511,702.40, 438,767,553.60 and 98,358,590.40 is: 147,537,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,511,702.40 : 438,767,553.60 = 98,358,590.40 : x
  2. Step 2: Convert to fraction form
    292,511,702.40/438,767,553.60 = 98,358,590.40/x
  3. Step 3: Cross multiply
    292,511,702.40x = 438,767,553.60 × 98,358,590.40
  4. Step 4: Simplify right side
    292,511,702.40x = 43,156,558,085,352,448
  5. Step 5: Solve for x
    x = 43,156,558,085,352,448/292,511,702.40
  6. Step 6: Final answer
    x = 147,537,885.60

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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.