Home / 64,742,448-89,343,532.80-35,373,152.64

Finding the Fourth Proportional to 64,742,448, 89,343,532.80 and 35,373,152.64

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Solution

The fourth proportional to 64,742,448, 89,343,532.80 and 35,373,152.64 is: 48,814,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,742,448 : 89,343,532.80 = 35,373,152.64 : x
  2. Step 2: Convert to fraction form
    64,742,448/89,343,532.80 = 35,373,152.64/x
  3. Step 3: Cross multiply
    64,742,448x = 89,343,532.80 × 35,373,152.64
  4. Step 4: Simplify right side
    64,742,448x = 3,160,362,423,131,246.50
  5. Step 5: Solve for x
    x = 3,160,362,423,131,246.50/64,742,448
  6. Step 6: Final answer
    x = 48,814,379.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.