Home / 113,429,011.60-170,348,803.80-99,320,237.20

Finding the Fourth Proportional to 113,429,011.60, 170,348,803.80 and 99,320,237.20

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Solution

The fourth proportional to 113,429,011.60, 170,348,803.80 and 99,320,237.20 is: 149,160,107.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,429,011.60 : 170,348,803.80 = 99,320,237.20 : x
  2. Step 2: Convert to fraction form
    113,429,011.60/170,348,803.80 = 99,320,237.20/x
  3. Step 3: Cross multiply
    113,429,011.60x = 170,348,803.80 × 99,320,237.20
  4. Step 4: Simplify right side
    113,429,011.60x = 16,919,083,600,152,264
  5. Step 5: Solve for x
    x = 16,919,083,600,152,264/113,429,011.60
  6. Step 6: Final answer
    x = 149,160,107.82

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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.