Home / 89,887,267.40-124,044,427.07-48,634,159.78

Finding the Fourth Proportional to 89,887,267.40, 124,044,427.07 and 48,634,159.78

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Solution

The fourth proportional to 89,887,267.40, 124,044,427.07 and 48,634,159.78 is: 67,115,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,887,267.40 : 124,044,427.07 = 48,634,159.78 : x
  2. Step 2: Convert to fraction form
    89,887,267.40/124,044,427.07 = 48,634,159.78/x
  3. Step 3: Cross multiply
    89,887,267.40x = 124,044,427.07 × 48,634,159.78
  4. Step 4: Simplify right side
    89,887,267.40x = 6,032,796,485,570,034
  5. Step 5: Solve for x
    x = 6,032,796,485,570,034/89,887,267.40
  6. Step 6: Final answer
    x = 67,115,139.44

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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.