Home / 152,588,785.23-210,566,116.49-86,513,729.40

Finding the Fourth Proportional to 152,588,785.23, 210,566,116.49 and 86,513,729.40

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Solution

The fourth proportional to 152,588,785.23, 210,566,116.49 and 86,513,729.40 is: 119,385,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,588,785.23 : 210,566,116.49 = 86,513,729.40 : x
  2. Step 2: Convert to fraction form
    152,588,785.23/210,566,116.49 = 86,513,729.40/x
  3. Step 3: Cross multiply
    152,588,785.23x = 210,566,116.49 × 86,513,729.40
  4. Step 4: Simplify right side
    152,588,785.23x = 18,216,860,022,392,172
  5. Step 5: Solve for x
    x = 18,216,860,022,392,172/152,588,785.23
  6. Step 6: Final answer
    x = 119,385,313.90

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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.