Home / 129,249,808.40-193,538,789.40-102,152,003.60

Finding the Fourth Proportional to 129,249,808.40, 193,538,789.40 and 102,152,003.60

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Solution

The fourth proportional to 129,249,808.40, 193,538,789.40 and 102,152,003.60 is: 152,962,510.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,249,808.40 : 193,538,789.40 = 102,152,003.60 : x
  2. Step 2: Convert to fraction form
    129,249,808.40/193,538,789.40 = 102,152,003.60/x
  3. Step 3: Cross multiply
    129,249,808.40x = 193,538,789.40 × 102,152,003.60
  4. Step 4: Simplify right side
    129,249,808.40x = 19,770,375,111,528,440
  5. Step 5: Solve for x
    x = 19,770,375,111,528,440/129,249,808.40
  6. Step 6: Final answer
    x = 152,962,510.01

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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.