Home / 161,861,328.04-223,368,475.20-87,521,710.60

Finding the Fourth Proportional to 161,861,328.04, 223,368,475.20 and 87,521,710.60

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Solution

The fourth proportional to 161,861,328.04, 223,368,475.20 and 87,521,710.60 is: 120,779,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,861,328.04 : 223,368,475.20 = 87,521,710.60 : x
  2. Step 2: Convert to fraction form
    161,861,328.04/223,368,475.20 = 87,521,710.60/x
  3. Step 3: Cross multiply
    161,861,328.04x = 223,368,475.20 × 87,521,710.60
  4. Step 4: Simplify right side
    161,861,328.04x = 19,549,591,043,617,676
  5. Step 5: Solve for x
    x = 19,549,591,043,617,676/161,861,328.04
  6. Step 6: Final answer
    x = 120,779,875.47

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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.