Home / 106,492,557.72-145,894,106.49-102,510,358.92

Finding the Fourth Proportional to 106,492,557.72, 145,894,106.49 and 102,510,358.92

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Solution

The fourth proportional to 106,492,557.72, 145,894,106.49 and 102,510,358.92 is: 140,438,520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,492,557.72 : 145,894,106.49 = 102,510,358.92 : x
  2. Step 2: Convert to fraction form
    106,492,557.72/145,894,106.49 = 102,510,358.92/x
  3. Step 3: Cross multiply
    106,492,557.72x = 145,894,106.49 × 102,510,358.92
  4. Step 4: Simplify right side
    106,492,557.72x = 14,955,657,220,602,602
  5. Step 5: Solve for x
    x = 14,955,657,220,602,602/106,492,557.72
  6. Step 6: Final answer
    x = 140,438,520.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.