Home / 284,634,216.96-426,955,065.12-77,382,856.32

Finding the Fourth Proportional to 284,634,216.96, 426,955,065.12 and 77,382,856.32

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Solution

The fourth proportional to 284,634,216.96, 426,955,065.12 and 77,382,856.32 is: 116,075,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,634,216.96 : 426,955,065.12 = 77,382,856.32 : x
  2. Step 2: Convert to fraction form
    284,634,216.96/426,955,065.12 = 77,382,856.32/x
  3. Step 3: Cross multiply
    284,634,216.96x = 426,955,065.12 × 77,382,856.32
  4. Step 4: Simplify right side
    284,634,216.96x = 33,039,002,459,277,200
  5. Step 5: Solve for x
    x = 33,039,002,459,277,200/284,634,216.96
  6. Step 6: Final answer
    x = 116,075,301.18

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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.