Home / 85,042,846.08-127,574,792.64-30,461,287.68

Finding the Fourth Proportional to 85,042,846.08, 127,574,792.64 and 30,461,287.68

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Solution

The fourth proportional to 85,042,846.08, 127,574,792.64 and 30,461,287.68 is: 45,695,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,042,846.08 : 127,574,792.64 = 30,461,287.68 : x
  2. Step 2: Convert to fraction form
    85,042,846.08/127,574,792.64 = 30,461,287.68/x
  3. Step 3: Cross multiply
    85,042,846.08x = 127,574,792.64 × 30,461,287.68
  4. Step 4: Simplify right side
    85,042,846.08x = 3,886,092,459,323,386.50
  5. Step 5: Solve for x
    x = 3,886,092,459,323,386.50/85,042,846.08
  6. Step 6: Final answer
    x = 45,695,700.91

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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.