Home / 64,774,643.20-97,146,412.80-37,421,785.60

Finding the Fourth Proportional to 64,774,643.20, 97,146,412.80 and 37,421,785.60

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Solution

The fourth proportional to 64,774,643.20, 97,146,412.80 and 37,421,785.60 is: 56,123,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,774,643.20 : 97,146,412.80 = 37,421,785.60 : x
  2. Step 2: Convert to fraction form
    64,774,643.20/97,146,412.80 = 37,421,785.60/x
  3. Step 3: Cross multiply
    64,774,643.20x = 97,146,412.80 × 37,421,785.60
  4. Step 4: Simplify right side
    64,774,643.20x = 3,635,392,231,610,695.50
  5. Step 5: Solve for x
    x = 3,635,392,231,610,695.50/64,774,643.20
  6. Step 6: Final answer
    x = 56,123,693.66

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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.