Home / 119,898,143.30-165,441,827.53-66,968,328.80

Finding the Fourth Proportional to 119,898,143.30, 165,441,827.53 and 66,968,328.80

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Solution

The fourth proportional to 119,898,143.30, 165,441,827.53 and 66,968,328.80 is: 92,406,457.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,898,143.30 : 165,441,827.53 = 66,968,328.80 : x
  2. Step 2: Convert to fraction form
    119,898,143.30/165,441,827.53 = 66,968,328.80/x
  3. Step 3: Cross multiply
    119,898,143.30x = 165,441,827.53 × 66,968,328.80
  4. Step 4: Simplify right side
    119,898,143.30x = 11,079,362,703,301,932
  5. Step 5: Solve for x
    x = 11,079,362,703,301,932/119,898,143.30
  6. Step 6: Final answer
    x = 92,406,457.67

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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.