Home / 162,258,405.85-223,916,796.93-87,918,907.74

Finding the Fourth Proportional to 162,258,405.85, 223,916,796.93 and 87,918,907.74

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Solution

The fourth proportional to 162,258,405.85, 223,916,796.93 and 87,918,907.74 is: 121,328,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,258,405.85 : 223,916,796.93 = 87,918,907.74 : x
  2. Step 2: Convert to fraction form
    162,258,405.85/223,916,796.93 = 87,918,907.74/x
  3. Step 3: Cross multiply
    162,258,405.85x = 223,916,796.93 × 87,918,907.74
  4. Step 4: Simplify right side
    162,258,405.85x = 19,686,520,210,724,984
  5. Step 5: Solve for x
    x = 19,686,520,210,724,984/162,258,405.85
  6. Step 6: Final answer
    x = 121,328,199.35

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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.