Home / 90,287,038.80-124,606,750.14-53,617,609.80

Finding the Fourth Proportional to 90,287,038.80, 124,606,750.14 and 53,617,609.80

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Solution

The fourth proportional to 90,287,038.80, 124,606,750.14 and 53,617,609.80 is: 73,998,618.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,287,038.80 : 124,606,750.14 = 53,617,609.80 : x
  2. Step 2: Convert to fraction form
    90,287,038.80/124,606,750.14 = 53,617,609.80/x
  3. Step 3: Cross multiply
    90,287,038.80x = 124,606,750.14 × 53,617,609.80
  4. Step 4: Simplify right side
    90,287,038.80x = 6,681,116,107,452,615
  5. Step 5: Solve for x
    x = 6,681,116,107,452,615/90,287,038.80
  6. Step 6: Final answer
    x = 73,998,618.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.