Home / 208,742,976.37-288,115,477.55-119,486,661.18

Finding the Fourth Proportional to 208,742,976.37, 288,115,477.55 and 119,486,661.18

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Solution

The fourth proportional to 208,742,976.37, 288,115,477.55 and 119,486,661.18 is: 164,920,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,742,976.37 : 288,115,477.55 = 119,486,661.18 : x
  2. Step 2: Convert to fraction form
    208,742,976.37/288,115,477.55 = 119,486,661.18/x
  3. Step 3: Cross multiply
    208,742,976.37x = 288,115,477.55 × 119,486,661.18
  4. Step 4: Simplify right side
    208,742,976.37x = 34,425,956,446,730,748
  5. Step 5: Solve for x
    x = 34,425,956,446,730,748/208,742,976.37
  6. Step 6: Final answer
    x = 164,920,310.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.