Home / 109,980,950.40-165,077,713.80-66,934,229.40

Finding the Fourth Proportional to 109,980,950.40, 165,077,713.80 and 66,934,229.40

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Solution

The fourth proportional to 109,980,950.40, 165,077,713.80 and 66,934,229.40 is: 100,466,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,980,950.40 : 165,077,713.80 = 66,934,229.40 : x
  2. Step 2: Convert to fraction form
    109,980,950.40/165,077,713.80 = 66,934,229.40/x
  3. Step 3: Cross multiply
    109,980,950.40x = 165,077,713.80 × 66,934,229.40
  4. Step 4: Simplify right side
    109,980,950.40x = 11,049,349,564,316,746
  5. Step 5: Solve for x
    x = 11,049,349,564,316,746/109,980,950.40
  6. Step 6: Final answer
    x = 100,466,030.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.