Home / 83,161,607.04-124,732,880.73-21,756,691.35

Finding the Fourth Proportional to 83,161,607.04, 124,732,880.73 and 21,756,691.35

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Solution

The fourth proportional to 83,161,607.04, 124,732,880.73 and 21,756,691.35 is: 32,632,543.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,161,607.04 : 124,732,880.73 = 21,756,691.35 : x
  2. Step 2: Convert to fraction form
    83,161,607.04/124,732,880.73 = 21,756,691.35/x
  3. Step 3: Cross multiply
    83,161,607.04x = 124,732,880.73 × 21,756,691.35
  4. Step 4: Simplify right side
    83,161,607.04x = 2,713,774,787,238,973
  5. Step 5: Solve for x
    x = 2,713,774,787,238,973/83,161,607.04
  6. Step 6: Final answer
    x = 32,632,543.84

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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.