Home / 89,828,291.80-134,742,437.70-87,308,867.80

Finding the Fourth Proportional to 89,828,291.80, 134,742,437.70 and 87,308,867.80

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Solution

The fourth proportional to 89,828,291.80, 134,742,437.70 and 87,308,867.80 is: 130,963,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,828,291.80 : 134,742,437.70 = 87,308,867.80 : x
  2. Step 2: Convert to fraction form
    89,828,291.80/134,742,437.70 = 87,308,867.80/x
  3. Step 3: Cross multiply
    89,828,291.80x = 134,742,437.70 × 87,308,867.80
  4. Step 4: Simplify right side
    89,828,291.80x = 11,764,209,680,199,034
  5. Step 5: Solve for x
    x = 11,764,209,680,199,034/89,828,291.80
  6. Step 6: Final answer
    x = 130,963,301.70

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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.