Home / 172,890,746.15-259,354,281.36-56,315,186.10

Finding the Fourth Proportional to 172,890,746.15, 259,354,281.36 and 56,315,186.10

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Solution

The fourth proportional to 172,890,746.15, 259,354,281.36 and 56,315,186.10 is: 84,478,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,890,746.15 : 259,354,281.36 = 56,315,186.10 : x
  2. Step 2: Convert to fraction form
    172,890,746.15/259,354,281.36 = 56,315,186.10/x
  3. Step 3: Cross multiply
    172,890,746.15x = 259,354,281.36 × 56,315,186.10
  4. Step 4: Simplify right side
    172,890,746.15x = 14,605,584,620,620,162
  5. Step 5: Solve for x
    x = 14,605,584,620,620,162/172,890,746.15
  6. Step 6: Final answer
    x = 84,478,695.05

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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.