Home / 70,102,762.32-105,060,150-54,559,360.20

Finding the Fourth Proportional to 70,102,762.32, 105,060,150 and 54,559,360.20

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Solution

The fourth proportional to 70,102,762.32, 105,060,150 and 54,559,360.20 is: 81,765,887.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,762.32 : 105,060,150 = 54,559,360.20 : x
  2. Step 2: Convert to fraction form
    70,102,762.32/105,060,150 = 54,559,360.20/x
  3. Step 3: Cross multiply
    70,102,762.32x = 105,060,150 × 54,559,360.20
  4. Step 4: Simplify right side
    70,102,762.32x = 5,732,014,566,516,030
  5. Step 5: Solve for x
    x = 5,732,014,566,516,030/70,102,762.32
  6. Step 6: Final answer
    x = 81,765,887.35

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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.