Home / 77,684,191.07-107,196,551.25-42,874,639.52

Finding the Fourth Proportional to 77,684,191.07, 107,196,551.25 and 42,874,639.52

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Solution

The fourth proportional to 77,684,191.07, 107,196,551.25 and 42,874,639.52 is: 59,162,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,684,191.07 : 107,196,551.25 = 42,874,639.52 : x
  2. Step 2: Convert to fraction form
    77,684,191.07/107,196,551.25 = 42,874,639.52/x
  3. Step 3: Cross multiply
    77,684,191.07x = 107,196,551.25 × 42,874,639.52
  4. Step 4: Simplify right side
    77,684,191.07x = 4,596,013,492,094,973
  5. Step 5: Solve for x
    x = 4,596,013,492,094,973/77,684,191.07
  6. Step 6: Final answer
    x = 59,162,790.13

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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.