Home / 83,839,491.52-115,697,681.76-46,669,182.40

Finding the Fourth Proportional to 83,839,491.52, 115,697,681.76 and 46,669,182.40

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Solution

The fourth proportional to 83,839,491.52, 115,697,681.76 and 46,669,182.40 is: 64,403,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,839,491.52 : 115,697,681.76 = 46,669,182.40 : x
  2. Step 2: Convert to fraction form
    83,839,491.52/115,697,681.76 = 46,669,182.40/x
  3. Step 3: Cross multiply
    83,839,491.52x = 115,697,681.76 × 46,669,182.40
  4. Step 4: Simplify right side
    83,839,491.52x = 5,399,516,213,314,593
  5. Step 5: Solve for x
    x = 5,399,516,213,314,593/83,839,491.52
  6. Step 6: Final answer
    x = 64,403,017.19

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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.