Home / 61,961,320.80-92,941,981.20-55,265,164.20

Finding the Fourth Proportional to 61,961,320.80, 92,941,981.20 and 55,265,164.20

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Solution

The fourth proportional to 61,961,320.80, 92,941,981.20 and 55,265,164.20 is: 82,897,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,961,320.80 : 92,941,981.20 = 55,265,164.20 : x
  2. Step 2: Convert to fraction form
    61,961,320.80/92,941,981.20 = 55,265,164.20/x
  3. Step 3: Cross multiply
    61,961,320.80x = 92,941,981.20 × 55,265,164.20
  4. Step 4: Simplify right side
    61,961,320.80x = 5,136,453,852,091,313
  5. Step 5: Solve for x
    x = 5,136,453,852,091,313/61,961,320.80
  6. Step 6: Final answer
    x = 82,897,746.30

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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.