Home / 89,878,929.62-124,025,858.64-55,066,886.91

Finding the Fourth Proportional to 89,878,929.62, 124,025,858.64 and 55,066,886.91

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Solution

The fourth proportional to 89,878,929.62, 124,025,858.64 and 55,066,886.91 is: 75,987,975.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,878,929.62 : 124,025,858.64 = 55,066,886.91 : x
  2. Step 2: Convert to fraction form
    89,878,929.62/124,025,858.64 = 55,066,886.91/x
  3. Step 3: Cross multiply
    89,878,929.62x = 124,025,858.64 × 55,066,886.91
  4. Step 4: Simplify right side
    89,878,929.62x = 6,829,717,931,644,526
  5. Step 5: Solve for x
    x = 6,829,717,931,644,526/89,878,929.62
  6. Step 6: Final answer
    x = 75,987,975.83

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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.