Home / 89,742,014.10-134,613,021.15-57,430,401.30

Finding the Fourth Proportional to 89,742,014.10, 134,613,021.15 and 57,430,401.30

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Solution

The fourth proportional to 89,742,014.10, 134,613,021.15 and 57,430,401.30 is: 86,145,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,742,014.10 : 134,613,021.15 = 57,430,401.30 : x
  2. Step 2: Convert to fraction form
    89,742,014.10/134,613,021.15 = 57,430,401.30/x
  3. Step 3: Cross multiply
    89,742,014.10x = 134,613,021.15 × 57,430,401.30
  4. Step 4: Simplify right side
    89,742,014.10x = 7,730,879,824,849,887
  5. Step 5: Solve for x
    x = 7,730,879,824,849,887/89,742,014.10
  6. Step 6: Final answer
    x = 86,145,601.95

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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.