Home / 89,697,095.40-134,545,643.10-76,783,079.10

Finding the Fourth Proportional to 89,697,095.40, 134,545,643.10 and 76,783,079.10

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Solution

The fourth proportional to 89,697,095.40, 134,545,643.10 and 76,783,079.10 is: 115,174,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,697,095.40 : 134,545,643.10 = 76,783,079.10 : x
  2. Step 2: Convert to fraction form
    89,697,095.40/134,545,643.10 = 76,783,079.10/x
  3. Step 3: Cross multiply
    89,697,095.40x = 134,545,643.10 × 76,783,079.10
  4. Step 4: Simplify right side
    89,697,095.40x = 10,330,828,756,707,668
  5. Step 5: Solve for x
    x = 10,330,828,756,707,668/89,697,095.40
  6. Step 6: Final answer
    x = 115,174,618.65

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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.