Home / 290,331,567.90-435,497,351.85-98,855,343.90

Finding the Fourth Proportional to 290,331,567.90, 435,497,351.85 and 98,855,343.90

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Solution

The fourth proportional to 290,331,567.90, 435,497,351.85 and 98,855,343.90 is: 148,283,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,331,567.90 : 435,497,351.85 = 98,855,343.90 : x
  2. Step 2: Convert to fraction form
    290,331,567.90/435,497,351.85 = 98,855,343.90/x
  3. Step 3: Cross multiply
    290,331,567.90x = 435,497,351.85 × 98,855,343.90
  4. Step 4: Simplify right side
    290,331,567.90x = 43,051,240,484,671,056
  5. Step 5: Solve for x
    x = 43,051,240,484,671,056/290,331,567.90
  6. Step 6: Final answer
    x = 148,283,015.85

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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.