Home / 144,363,605.40-216,545,408.10-86,967,977.40

Finding the Fourth Proportional to 144,363,605.40, 216,545,408.10 and 86,967,977.40

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Solution

The fourth proportional to 144,363,605.40, 216,545,408.10 and 86,967,977.40 is: 130,451,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,363,605.40 : 216,545,408.10 = 86,967,977.40 : x
  2. Step 2: Convert to fraction form
    144,363,605.40/216,545,408.10 = 86,967,977.40/x
  3. Step 3: Cross multiply
    144,363,605.40x = 216,545,408.10 × 86,967,977.40
  4. Step 4: Simplify right side
    144,363,605.40x = 18,832,516,157,714,576
  5. Step 5: Solve for x
    x = 18,832,516,157,714,576/144,363,605.40
  6. Step 6: Final answer
    x = 130,451,966.10

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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.