Home / 144,828,981.60-216,960,037.20-87,149,918.40

Finding the Fourth Proportional to 144,828,981.60, 216,960,037.20 and 87,149,918.40

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Solution

The fourth proportional to 144,828,981.60, 216,960,037.20 and 87,149,918.40 is: 130,554,322.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828,981.60 : 216,960,037.20 = 87,149,918.40 : x
  2. Step 2: Convert to fraction form
    144,828,981.60/216,960,037.20 = 87,149,918.40/x
  3. Step 3: Cross multiply
    144,828,981.60x = 216,960,037.20 × 87,149,918.40
  4. Step 4: Simplify right side
    144,828,981.60x = 18,908,049,538,040,964
  5. Step 5: Solve for x
    x = 18,908,049,538,040,964/144,828,981.60
  6. Step 6: Final answer
    x = 130,554,322.27

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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.