Home / 79,249,288.16-118,885,743.48-28,127,025.92

Finding the Fourth Proportional to 79,249,288.16, 118,885,743.48 and 28,127,025.92

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Solution

The fourth proportional to 79,249,288.16, 118,885,743.48 and 28,127,025.92 is: 42,194,730.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,249,288.16 : 118,885,743.48 = 28,127,025.92 : x
  2. Step 2: Convert to fraction form
    79,249,288.16/118,885,743.48 = 28,127,025.92/x
  3. Step 3: Cross multiply
    79,249,288.16x = 118,885,743.48 × 28,127,025.92
  4. Step 4: Simplify right side
    79,249,288.16x = 3,343,902,388,380,431.50
  5. Step 5: Solve for x
    x = 3,343,902,388,380,431.50/79,249,288.16
  6. Step 6: Final answer
    x = 42,194,730.91

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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.