Home / 74,887,643.60-112,331,465.40-49,357,480.40

Finding the Fourth Proportional to 74,887,643.60, 112,331,465.40 and 49,357,480.40

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Solution

The fourth proportional to 74,887,643.60, 112,331,465.40 and 49,357,480.40 is: 74,036,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,887,643.60 : 112,331,465.40 = 49,357,480.40 : x
  2. Step 2: Convert to fraction form
    74,887,643.60/112,331,465.40 = 49,357,480.40/x
  3. Step 3: Cross multiply
    74,887,643.60x = 112,331,465.40 × 49,357,480.40
  4. Step 4: Simplify right side
    74,887,643.60x = 5,544,398,101,783,778
  5. Step 5: Solve for x
    x = 5,544,398,101,783,778/74,887,643.60
  6. Step 6: Final answer
    x = 74,036,220.60

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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.