Home / 162,003,287.16-223,565,128.74-87,663,848.40

Finding the Fourth Proportional to 162,003,287.16, 223,565,128.74 and 87,663,848.40

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Solution

The fourth proportional to 162,003,287.16, 223,565,128.74 and 87,663,848.40 is: 120,976,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,003,287.16 : 223,565,128.74 = 87,663,848.40 : x
  2. Step 2: Convert to fraction form
    162,003,287.16/223,565,128.74 = 87,663,848.40/x
  3. Step 3: Cross multiply
    162,003,287.16x = 223,565,128.74 × 87,663,848.40
  4. Step 4: Simplify right side
    162,003,287.16x = 19,598,579,553,389,844
  5. Step 5: Solve for x
    x = 19,598,579,553,389,844/162,003,287.16
  6. Step 6: Final answer
    x = 120,976,431.39

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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.