Home / 152,368,932.24-210,262,089-86,289,903.36

Finding the Fourth Proportional to 152,368,932.24, 210,262,089 and 86,289,903.36

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Solution

The fourth proportional to 152,368,932.24, 210,262,089 and 86,289,903.36 is: 119,076,081.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,368,932.24 : 210,262,089 = 86,289,903.36 : x
  2. Step 2: Convert to fraction form
    152,368,932.24/210,262,089 = 86,289,903.36/x
  3. Step 3: Cross multiply
    152,368,932.24x = 210,262,089 × 86,289,903.36
  4. Step 4: Simplify right side
    152,368,932.24x = 18,143,495,340,081,720
  5. Step 5: Solve for x
    x = 18,143,495,340,081,720/152,368,932.24
  6. Step 6: Final answer
    x = 119,076,081.15

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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.