Home / 70,457,901.20-105,786,384.60-43,584,045.20

Finding the Fourth Proportional to 70,457,901.20, 105,786,384.60 and 43,584,045.20

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Solution

The fourth proportional to 70,457,901.20, 105,786,384.60 and 43,584,045.20 is: 65,437,637.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,457,901.20 : 105,786,384.60 = 43,584,045.20 : x
  2. Step 2: Convert to fraction form
    70,457,901.20/105,786,384.60 = 43,584,045.20/x
  3. Step 3: Cross multiply
    70,457,901.20x = 105,786,384.60 × 43,584,045.20
  4. Step 4: Simplify right side
    70,457,901.20x = 4,610,598,567,950,984
  5. Step 5: Solve for x
    x = 4,610,598,567,950,984/70,457,901.20
  6. Step 6: Final answer
    x = 65,437,637.08

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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.