Home / 164,768,015.80-247,152,023.70-157,209,743.80

Finding the Fourth Proportional to 164,768,015.80, 247,152,023.70 and 157,209,743.80

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Solution

The fourth proportional to 164,768,015.80, 247,152,023.70 and 157,209,743.80 is: 235,814,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,768,015.80 : 247,152,023.70 = 157,209,743.80 : x
  2. Step 2: Convert to fraction form
    164,768,015.80/247,152,023.70 = 157,209,743.80/x
  3. Step 3: Cross multiply
    164,768,015.80x = 247,152,023.70 × 157,209,743.80
  4. Step 4: Simplify right side
    164,768,015.80x = 38,854,706,325,528,528
  5. Step 5: Solve for x
    x = 38,854,706,325,528,528/164,768,015.80
  6. Step 6: Final answer
    x = 235,814,615.70

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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.