Home / 113,643,399.48-156,723,303.56-74,470,948.98

Finding the Fourth Proportional to 113,643,399.48, 156,723,303.56 and 74,470,948.98

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Solution

The fourth proportional to 113,643,399.48, 156,723,303.56 and 74,470,948.98 is: 102,701,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,643,399.48 : 156,723,303.56 = 74,470,948.98 : x
  2. Step 2: Convert to fraction form
    113,643,399.48/156,723,303.56 = 74,470,948.98/x
  3. Step 3: Cross multiply
    113,643,399.48x = 156,723,303.56 × 74,470,948.98
  4. Step 4: Simplify right side
    113,643,399.48x = 11,671,333,143,393,814
  5. Step 5: Solve for x
    x = 11,671,333,143,393,814/113,643,399.48
  6. Step 6: Final answer
    x = 102,701,372.86

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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.