Home / 64,716,051.60-97,074,077.40-47,709,939.60

Finding the Fourth Proportional to 64,716,051.60, 97,074,077.40 and 47,709,939.60

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Solution

The fourth proportional to 64,716,051.60, 97,074,077.40 and 47,709,939.60 is: 71,564,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,716,051.60 : 97,074,077.40 = 47,709,939.60 : x
  2. Step 2: Convert to fraction form
    64,716,051.60/97,074,077.40 = 47,709,939.60/x
  3. Step 3: Cross multiply
    64,716,051.60x = 97,074,077.40 × 47,709,939.60
  4. Step 4: Simplify right side
    64,716,051.60x = 4,631,398,369,479,725
  5. Step 5: Solve for x
    x = 4,631,398,369,479,725/64,716,051.60
  6. Step 6: Final answer
    x = 71,564,909.40

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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.