Home / 90,847,005.02-125,369,376.99-51,688,780.82

Finding the Fourth Proportional to 90,847,005.02, 125,369,376.99 and 51,688,780.82

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Solution

The fourth proportional to 90,847,005.02, 125,369,376.99 and 51,688,780.82 is: 71,330,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,847,005.02 : 125,369,376.99 = 51,688,780.82 : x
  2. Step 2: Convert to fraction form
    90,847,005.02/125,369,376.99 = 51,688,780.82/x
  3. Step 3: Cross multiply
    90,847,005.02x = 125,369,376.99 × 51,688,780.82
  4. Step 4: Simplify right side
    90,847,005.02x = 6,480,190,248,776,061
  5. Step 5: Solve for x
    x = 6,480,190,248,776,061/90,847,005.02
  6. Step 6: Final answer
    x = 71,330,807.74

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1.5x scale

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.