Home / 112,353,963.40-168,530,945.10-31,574,931.40

Finding the Fourth Proportional to 112,353,963.40, 168,530,945.10 and 31,574,931.40

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Solution

The fourth proportional to 112,353,963.40, 168,530,945.10 and 31,574,931.40 is: 47,362,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,353,963.40 : 168,530,945.10 = 31,574,931.40 : x
  2. Step 2: Convert to fraction form
    112,353,963.40/168,530,945.10 = 31,574,931.40/x
  3. Step 3: Cross multiply
    112,353,963.40x = 168,530,945.10 × 31,574,931.40
  4. Step 4: Simplify right side
    112,353,963.40x = 5,321,353,030,309,666
  5. Step 5: Solve for x
    x = 5,321,353,030,309,666/112,353,963.40
  6. Step 6: Final answer
    x = 47,362,397.10

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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.