Home / 64,742,811.70-97,114,217.55-56,780,187.70

Finding the Fourth Proportional to 64,742,811.70, 97,114,217.55 and 56,780,187.70

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Solution

The fourth proportional to 64,742,811.70, 97,114,217.55 and 56,780,187.70 is: 85,170,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,742,811.70 : 97,114,217.55 = 56,780,187.70 : x
  2. Step 2: Convert to fraction form
    64,742,811.70/97,114,217.55 = 56,780,187.70/x
  3. Step 3: Cross multiply
    64,742,811.70x = 97,114,217.55 × 56,780,187.70
  4. Step 4: Simplify right side
    64,742,811.70x = 5,514,163,500,827,634
  5. Step 5: Solve for x
    x = 5,514,163,500,827,634/64,742,811.70
  6. Step 6: Final answer
    x = 85,170,281.55

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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.