Home / 291,402,228.60-437,047,355.70-86,936,974.20

Finding the Fourth Proportional to 291,402,228.60, 437,047,355.70 and 86,936,974.20

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Solution

The fourth proportional to 291,402,228.60, 437,047,355.70 and 86,936,974.20 is: 130,388,758.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,402,228.60 : 437,047,355.70 = 86,936,974.20 : x
  2. Step 2: Convert to fraction form
    291,402,228.60/437,047,355.70 = 86,936,974.20/x
  3. Step 3: Cross multiply
    291,402,228.60x = 437,047,355.70 × 86,936,974.20
  4. Step 4: Simplify right side
    291,402,228.60x = 37,995,574,686,669,120
  5. Step 5: Solve for x
    x = 37,995,574,686,669,120/291,402,228.60
  6. Step 6: Final answer
    x = 130,388,758.07

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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.