Home / 111,039,756.10-153,239,651.94-61,480,130.74

Finding the Fourth Proportional to 111,039,756.10, 153,239,651.94 and 61,480,130.74

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Solution

The fourth proportional to 111,039,756.10, 153,239,651.94 and 61,480,130.74 is: 84,845,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,039,756.10 : 153,239,651.94 = 61,480,130.74 : x
  2. Step 2: Convert to fraction form
    111,039,756.10/153,239,651.94 = 61,480,130.74/x
  3. Step 3: Cross multiply
    111,039,756.10x = 153,239,651.94 × 61,480,130.74
  4. Step 4: Simplify right side
    111,039,756.10x = 9,421,193,835,823,294
  5. Step 5: Solve for x
    x = 9,421,193,835,823,294/111,039,756.10
  6. Step 6: Final answer
    x = 84,845,231.71

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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.