Home / 70,574,467.85-105,719,984.18-40,246,901.45

Finding the Fourth Proportional to 70,574,467.85, 105,719,984.18 and 40,246,901.45

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Solution

The fourth proportional to 70,574,467.85, 105,719,984.18 and 40,246,901.45 is: 60,289,534.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,574,467.85 : 105,719,984.18 = 40,246,901.45 : x
  2. Step 2: Convert to fraction form
    70,574,467.85/105,719,984.18 = 40,246,901.45/x
  3. Step 3: Cross multiply
    70,574,467.85x = 105,719,984.18 × 40,246,901.45
  4. Step 4: Simplify right side
    70,574,467.85x = 4,254,901,784,386,784.50
  5. Step 5: Solve for x
    x = 4,254,901,784,386,784.50/70,574,467.85
  6. Step 6: Final answer
    x = 60,289,534.08

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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.