Home / 161,861,562.39-223,368,798.15-87,521,945.34

Finding the Fourth Proportional to 161,861,562.39, 223,368,798.15 and 87,521,945.34

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Solution

The fourth proportional to 161,861,562.39, 223,368,798.15 and 87,521,945.34 is: 120,780,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,861,562.39 : 223,368,798.15 = 87,521,945.34 : x
  2. Step 2: Convert to fraction form
    161,861,562.39/223,368,798.15 = 87,521,945.34/x
  3. Step 3: Cross multiply
    161,861,562.39x = 223,368,798.15 × 87,521,945.34
  4. Step 4: Simplify right side
    161,861,562.39x = 19,549,671,742,345,796
  5. Step 5: Solve for x
    x = 19,549,671,742,345,796/161,861,562.39
  6. Step 6: Final answer
    x = 120,780,199.16

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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.