Home / 129,249,806.40-193,538,786.40-102,152,001.60

Finding the Fourth Proportional to 129,249,806.40, 193,538,786.40 and 102,152,001.60

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Solution

The fourth proportional to 129,249,806.40, 193,538,786.40 and 102,152,001.60 is: 152,962,507.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,249,806.40 : 193,538,786.40 = 102,152,001.60 : x
  2. Step 2: Convert to fraction form
    129,249,806.40/193,538,786.40 = 102,152,001.60/x
  3. Step 3: Cross multiply
    129,249,806.40x = 193,538,786.40 × 102,152,001.60
  4. Step 4: Simplify right side
    129,249,806.40x = 19,770,374,417,994,856
  5. Step 5: Solve for x
    x = 19,770,374,417,994,856/129,249,806.40
  6. Step 6: Final answer
    x = 152,962,507.01

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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.