Home / 56,663,742.60-84,995,613.90-52,128,779.40

Finding the Fourth Proportional to 56,663,742.60, 84,995,613.90 and 52,128,779.40

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Solution

The fourth proportional to 56,663,742.60, 84,995,613.90 and 52,128,779.40 is: 78,193,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,663,742.60 : 84,995,613.90 = 52,128,779.40 : x
  2. Step 2: Convert to fraction form
    56,663,742.60/84,995,613.90 = 52,128,779.40/x
  3. Step 3: Cross multiply
    56,663,742.60x = 84,995,613.90 × 52,128,779.40
  4. Step 4: Simplify right side
    56,663,742.60x = 4,430,717,606,960,674
  5. Step 5: Solve for x
    x = 4,430,717,606,960,674/56,663,742.60
  6. Step 6: Final answer
    x = 78,193,169.10

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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.