Home / 85,716,036.39-118,289,088.78-50,441,640.02

Finding the Fourth Proportional to 85,716,036.39, 118,289,088.78 and 50,441,640.02

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Solution

The fourth proportional to 85,716,036.39, 118,289,088.78 and 50,441,640.02 is: 69,610,027.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,716,036.39 : 118,289,088.78 = 50,441,640.02 : x
  2. Step 2: Convert to fraction form
    85,716,036.39/118,289,088.78 = 50,441,640.02/x
  3. Step 3: Cross multiply
    85,716,036.39x = 118,289,088.78 × 50,441,640.02
  4. Step 4: Simplify right side
    85,716,036.39x = 5,966,695,634,534,581
  5. Step 5: Solve for x
    x = 5,966,695,634,534,581/85,716,036.39
  6. Step 6: Final answer
    x = 69,610,027.32

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1.5x scale

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.