Home / 139,761,104.40-209,641,656.60-48,875,216.40

Finding the Fourth Proportional to 139,761,104.40, 209,641,656.60 and 48,875,216.40

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Solution

The fourth proportional to 139,761,104.40, 209,641,656.60 and 48,875,216.40 is: 73,312,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,761,104.40 : 209,641,656.60 = 48,875,216.40 : x
  2. Step 2: Convert to fraction form
    139,761,104.40/209,641,656.60 = 48,875,216.40/x
  3. Step 3: Cross multiply
    139,761,104.40x = 209,641,656.60 × 48,875,216.40
  4. Step 4: Simplify right side
    139,761,104.40x = 10,246,281,332,779,488
  5. Step 5: Solve for x
    x = 10,246,281,332,779,488/139,761,104.40
  6. Step 6: Final answer
    x = 73,312,824.60

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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.