Home / 187,031,319.40-258,111,191.83-104,525,101.72

Finding the Fourth Proportional to 187,031,319.40, 258,111,191.83 and 104,525,101.72

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Solution

The fourth proportional to 187,031,319.40, 258,111,191.83 and 104,525,101.72 is: 144,249,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,031,319.40 : 258,111,191.83 = 104,525,101.72 : x
  2. Step 2: Convert to fraction form
    187,031,319.40/258,111,191.83 = 104,525,101.72/x
  3. Step 3: Cross multiply
    187,031,319.40x = 258,111,191.83 × 104,525,101.72
  4. Step 4: Simplify right side
    187,031,319.40x = 26,979,098,581,101,184
  5. Step 5: Solve for x
    x = 26,979,098,581,101,184/187,031,319.40
  6. Step 6: Final answer
    x = 144,249,095.11

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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.