Home / 77,017,432.71-115,563,516.08-33,881,031.15

Finding the Fourth Proportional to 77,017,432.71, 115,563,516.08 and 33,881,031.15

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Solution

The fourth proportional to 77,017,432.71, 115,563,516.08 and 33,881,031.15 is: 50,837,984.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,017,432.71 : 115,563,516.08 = 33,881,031.15 : x
  2. Step 2: Convert to fraction form
    77,017,432.71/115,563,516.08 = 33,881,031.15/x
  3. Step 3: Cross multiply
    77,017,432.71x = 115,563,516.08 × 33,881,031.15
  4. Step 4: Simplify right side
    77,017,432.71x = 3,915,411,088,110,005.50
  5. Step 5: Solve for x
    x = 3,915,411,088,110,005.50/77,017,432.71
  6. Step 6: Final answer
    x = 50,837,984.99

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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.