Home / 161,861,330.04-223,368,477.96-87,521,712.60

Finding the Fourth Proportional to 161,861,330.04, 223,368,477.96 and 87,521,712.60

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Solution

The fourth proportional to 161,861,330.04, 223,368,477.96 and 87,521,712.60 is: 120,779,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,861,330.04 : 223,368,477.96 = 87,521,712.60 : x
  2. Step 2: Convert to fraction form
    161,861,330.04/223,368,477.96 = 87,521,712.60/x
  3. Step 3: Cross multiply
    161,861,330.04x = 223,368,477.96 × 87,521,712.60
  4. Step 4: Simplify right side
    161,861,330.04x = 19,549,591,731,914,552
  5. Step 5: Solve for x
    x = 19,549,591,731,914,552/161,861,330.04
  6. Step 6: Final answer
    x = 120,779,878.23

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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.