Home / 89,828,292.80-134,742,439.20-87,308,868.80

Finding the Fourth Proportional to 89,828,292.80, 134,742,439.20 and 87,308,868.80

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Solution

The fourth proportional to 89,828,292.80, 134,742,439.20 and 87,308,868.80 is: 130,963,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,828,292.80 : 134,742,439.20 = 87,308,868.80 : x
  2. Step 2: Convert to fraction form
    89,828,292.80/134,742,439.20 = 87,308,868.80/x
  3. Step 3: Cross multiply
    89,828,292.80x = 134,742,439.20 × 87,308,868.80
  4. Step 4: Simplify right side
    89,828,292.80x = 11,764,209,945,904,776
  5. Step 5: Solve for x
    x = 11,764,209,945,904,776/89,828,292.80
  6. Step 6: Final answer
    x = 130,963,303.20

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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.