Home / 115,276,460.40-172,862,703.52-56,961,403.04

Finding the Fourth Proportional to 115,276,460.40, 172,862,703.52 and 56,961,403.04

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Solution

The fourth proportional to 115,276,460.40, 172,862,703.52 and 56,961,403.04 is: 85,416,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,276,460.40 : 172,862,703.52 = 56,961,403.04 : x
  2. Step 2: Convert to fraction form
    115,276,460.40/172,862,703.52 = 56,961,403.04/x
  3. Step 3: Cross multiply
    115,276,460.40x = 172,862,703.52 × 56,961,403.04
  4. Step 4: Simplify right side
    115,276,460.40x = 9,846,502,125,786,748
  5. Step 5: Solve for x
    x = 9,846,502,125,786,748/115,276,460.40
  6. Step 6: Final answer
    x = 85,416,416.25

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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.