Home / 435,492,037.20-653,238,055.80-112,375,909.20

Finding the Fourth Proportional to 435,492,037.20, 653,238,055.80 and 112,375,909.20

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Solution

The fourth proportional to 435,492,037.20, 653,238,055.80 and 112,375,909.20 is: 168,563,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,492,037.20 : 653,238,055.80 = 112,375,909.20 : x
  2. Step 2: Convert to fraction form
    435,492,037.20/653,238,055.80 = 112,375,909.20/x
  3. Step 3: Cross multiply
    435,492,037.20x = 653,238,055.80 × 112,375,909.20
  4. Step 4: Simplify right side
    435,492,037.20x = 73,408,220,444,565,328
  5. Step 5: Solve for x
    x = 73,408,220,444,565,328/435,492,037.20
  6. Step 6: Final answer
    x = 168,563,863.80

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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.