Home / 102,312,482.04-141,189,559.92-55,901,740.32

Finding the Fourth Proportional to 102,312,482.04, 141,189,559.92 and 55,901,740.32

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Solution

The fourth proportional to 102,312,482.04, 141,189,559.92 and 55,901,740.32 is: 77,143,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,312,482.04 : 141,189,559.92 = 55,901,740.32 : x
  2. Step 2: Convert to fraction form
    102,312,482.04/141,189,559.92 = 55,901,740.32/x
  3. Step 3: Cross multiply
    102,312,482.04x = 141,189,559.92 × 55,901,740.32
  4. Step 4: Simplify right side
    102,312,482.04x = 7,892,742,114,542,919
  5. Step 5: Solve for x
    x = 7,892,742,114,542,919/102,312,482.04
  6. Step 6: Final answer
    x = 77,143,491.75

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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.