Home / 115,169,702.40-172,418,630.40-103,076,467.20

Finding the Fourth Proportional to 115,169,702.40, 172,418,630.40 and 103,076,467.20

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Solution

The fourth proportional to 115,169,702.40, 172,418,630.40 and 103,076,467.20 is: 154,314,050.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,169,702.40 : 172,418,630.40 = 103,076,467.20 : x
  2. Step 2: Convert to fraction form
    115,169,702.40/172,418,630.40 = 103,076,467.20/x
  3. Step 3: Cross multiply
    115,169,702.40x = 172,418,630.40 × 103,076,467.20
  4. Step 4: Simplify right side
    115,169,702.40x = 17,772,303,301,094,524
  5. Step 5: Solve for x
    x = 17,772,303,301,094,524/115,169,702.40
  6. Step 6: Final answer
    x = 154,314,050.75

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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.