Home / 168,495,029.40-252,742,544.10-137,884,027.80

Finding the Fourth Proportional to 168,495,029.40, 252,742,544.10 and 137,884,027.80

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Solution

The fourth proportional to 168,495,029.40, 252,742,544.10 and 137,884,027.80 is: 206,826,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,495,029.40 : 252,742,544.10 = 137,884,027.80 : x
  2. Step 2: Convert to fraction form
    168,495,029.40/252,742,544.10 = 137,884,027.80/x
  3. Step 3: Cross multiply
    168,495,029.40x = 252,742,544.10 × 137,884,027.80
  4. Step 4: Simplify right side
    168,495,029.40x = 34,849,159,976,927,128
  5. Step 5: Solve for x
    x = 34,849,159,976,927,128/168,495,029.40
  6. Step 6: Final answer
    x = 206,826,041.70

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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.