Home / 199,353,437.60-299,086,143.60-97,120,810.40

Finding the Fourth Proportional to 199,353,437.60, 299,086,143.60 and 97,120,810.40

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Solution

The fourth proportional to 199,353,437.60, 299,086,143.60 and 97,120,810.40 is: 145,708,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,353,437.60 : 299,086,143.60 = 97,120,810.40 : x
  2. Step 2: Convert to fraction form
    199,353,437.60/299,086,143.60 = 97,120,810.40/x
  3. Step 3: Cross multiply
    199,353,437.60x = 299,086,143.60 × 97,120,810.40
  4. Step 4: Simplify right side
    199,353,437.60x = 29,047,488,645,842,776
  5. Step 5: Solve for x
    x = 29,047,488,645,842,776/199,353,437.60
  6. Step 6: Final answer
    x = 145,708,491.39

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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.