Home / 112,492,944-155,256,828.48-71,243,671.68

Finding the Fourth Proportional to 112,492,944, 155,256,828.48 and 71,243,671.68

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Solution

The fourth proportional to 112,492,944, 155,256,828.48 and 71,243,671.68 is: 98,326,758.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,492,944 : 155,256,828.48 = 71,243,671.68 : x
  2. Step 2: Convert to fraction form
    112,492,944/155,256,828.48 = 71,243,671.68/x
  3. Step 3: Cross multiply
    112,492,944x = 155,256,828.48 × 71,243,671.68
  4. Step 4: Simplify right side
    112,492,944x = 11,061,066,514,307,194
  5. Step 5: Solve for x
    x = 11,061,066,514,307,194/112,492,944
  6. Step 6: Final answer
    x = 98,326,758.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.