Home / 91,776,106.60-137,498,271.90-53,406,212.20

Finding the Fourth Proportional to 91,776,106.60, 137,498,271.90 and 53,406,212.20

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Solution

The fourth proportional to 91,776,106.60, 137,498,271.90 and 53,406,212.20 is: 80,012,785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,776,106.60 : 137,498,271.90 = 53,406,212.20 : x
  2. Step 2: Convert to fraction form
    91,776,106.60/137,498,271.90 = 53,406,212.20/x
  3. Step 3: Cross multiply
    91,776,106.60x = 137,498,271.90 × 53,406,212.20
  4. Step 4: Simplify right side
    91,776,106.60x = 7,343,261,886,224,698
  5. Step 5: Solve for x
    x = 7,343,261,886,224,698/91,776,106.60
  6. Step 6: Final answer
    x = 80,012,785.01

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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.