Home / 435,492,041.20-653,238,061.80-112,375,913.20

Finding the Fourth Proportional to 435,492,041.20, 653,238,061.80 and 112,375,913.20

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Solution

The fourth proportional to 435,492,041.20, 653,238,061.80 and 112,375,913.20 is: 168,563,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,492,041.20 : 653,238,061.80 = 112,375,913.20 : x
  2. Step 2: Convert to fraction form
    435,492,041.20/653,238,061.80 = 112,375,913.20/x
  3. Step 3: Cross multiply
    435,492,041.20x = 653,238,061.80 × 112,375,913.20
  4. Step 4: Simplify right side
    435,492,041.20x = 73,408,223,731,773,040
  5. Step 5: Solve for x
    x = 73,408,223,731,773,040/435,492,041.20
  6. Step 6: Final answer
    x = 168,563,869.80

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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.