Home / 115,585,279.80-173,381,574.42-42,820,271.16

Finding the Fourth Proportional to 115,585,279.80, 173,381,574.42 and 42,820,271.16

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Solution

The fourth proportional to 115,585,279.80, 173,381,574.42 and 42,820,271.16 is: 64,231,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,585,279.80 : 173,381,574.42 = 42,820,271.16 : x
  2. Step 2: Convert to fraction form
    115,585,279.80/173,381,574.42 = 42,820,271.16/x
  3. Step 3: Cross multiply
    115,585,279.80x = 173,381,574.42 × 42,820,271.16
  4. Step 4: Simplify right side
    115,585,279.80x = 7,424,246,030,812,119
  5. Step 5: Solve for x
    x = 7,424,246,030,812,119/115,585,279.80
  6. Step 6: Final answer
    x = 64,231,760.68

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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.