Home / 112,752,844.40-169,129,266.60-31,973,812.40

Finding the Fourth Proportional to 112,752,844.40, 169,129,266.60 and 31,973,812.40

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Solution

The fourth proportional to 112,752,844.40, 169,129,266.60 and 31,973,812.40 is: 47,960,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,752,844.40 : 169,129,266.60 = 31,973,812.40 : x
  2. Step 2: Convert to fraction form
    112,752,844.40/169,129,266.60 = 31,973,812.40/x
  3. Step 3: Cross multiply
    112,752,844.40x = 169,129,266.60 × 31,973,812.40
  4. Step 4: Simplify right side
    112,752,844.40x = 5,407,707,441,617,985
  5. Step 5: Solve for x
    x = 5,407,707,441,617,985/112,752,844.40
  6. Step 6: Final answer
    x = 47,960,718.60

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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.