Home / 140,899,407.90-194,442,591.33-79,018,417.86

Finding the Fourth Proportional to 140,899,407.90, 194,442,591.33 and 79,018,417.86

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Solution

The fourth proportional to 140,899,407.90, 194,442,591.33 and 79,018,417.86 is: 109,046,206.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,899,407.90 : 194,442,591.33 = 79,018,417.86 : x
  2. Step 2: Convert to fraction form
    140,899,407.90/194,442,591.33 = 79,018,417.86/x
  3. Step 3: Cross multiply
    140,899,407.90x = 194,442,591.33 × 79,018,417.86
  4. Step 4: Simplify right side
    140,899,407.90x = 15,364,545,931,495,154
  5. Step 5: Solve for x
    x = 15,364,545,931,495,154/140,899,407.90
  6. Step 6: Final answer
    x = 109,046,206.51

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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.