Home / 105,576,106.40-158,364,159.60-53,920,041.20

Finding the Fourth Proportional to 105,576,106.40, 158,364,159.60 and 53,920,041.20

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Solution

The fourth proportional to 105,576,106.40, 158,364,159.60 and 53,920,041.20 is: 80,880,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,576,106.40 : 158,364,159.60 = 53,920,041.20 : x
  2. Step 2: Convert to fraction form
    105,576,106.40/158,364,159.60 = 53,920,041.20/x
  3. Step 3: Cross multiply
    105,576,106.40x = 158,364,159.60 × 53,920,041.20
  4. Step 4: Simplify right side
    105,576,106.40x = 8,539,002,010,235,376
  5. Step 5: Solve for x
    x = 8,539,002,010,235,376/105,576,106.40
  6. Step 6: Final answer
    x = 80,880,061.80

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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.