Home / 215,588,722.80-323,430,323.40-69,997,508.40

Finding the Fourth Proportional to 215,588,722.80, 323,430,323.40 and 69,997,508.40

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Solution

The fourth proportional to 215,588,722.80, 323,430,323.40 and 69,997,508.40 is: 105,011,600.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,588,722.80 : 323,430,323.40 = 69,997,508.40 : x
  2. Step 2: Convert to fraction form
    215,588,722.80/323,430,323.40 = 69,997,508.40/x
  3. Step 3: Cross multiply
    215,588,722.80x = 323,430,323.40 × 69,997,508.40
  4. Step 4: Simplify right side
    215,588,722.80x = 22,639,316,779,006,216
  5. Step 5: Solve for x
    x = 22,639,316,779,006,216/215,588,722.80
  6. Step 6: Final answer
    x = 105,011,600.26

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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.