Home / 56,685,901.60-85,037,146.80-18,340,890.40

Finding the Fourth Proportional to 56,685,901.60, 85,037,146.80 and 18,340,890.40

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Solution

The fourth proportional to 56,685,901.60, 85,037,146.80 and 18,340,890.40 is: 27,514,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,685,901.60 : 85,037,146.80 = 18,340,890.40 : x
  2. Step 2: Convert to fraction form
    56,685,901.60/85,037,146.80 = 18,340,890.40/x
  3. Step 3: Cross multiply
    56,685,901.60x = 85,037,146.80 × 18,340,890.40
  4. Step 4: Simplify right side
    56,685,901.60x = 1,559,656,989,387,510.50
  5. Step 5: Solve for x
    x = 1,559,656,989,387,510.50/56,685,901.60
  6. Step 6: Final answer
    x = 27,514,019.28

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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.