Home / 99,828,195.60-149,742,293.40-28,015,280.40

Finding the Fourth Proportional to 99,828,195.60, 149,742,293.40 and 28,015,280.40

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Solution

The fourth proportional to 99,828,195.60, 149,742,293.40 and 28,015,280.40 is: 42,022,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,828,195.60 : 149,742,293.40 = 28,015,280.40 : x
  2. Step 2: Convert to fraction form
    99,828,195.60/149,742,293.40 = 28,015,280.40/x
  3. Step 3: Cross multiply
    99,828,195.60x = 149,742,293.40 × 28,015,280.40
  4. Step 4: Simplify right side
    99,828,195.60x = 4,195,072,337,340,069.50
  5. Step 5: Solve for x
    x = 4,195,072,337,340,069.50/99,828,195.60
  6. Step 6: Final answer
    x = 42,022,920.60

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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.