Home / 156,081,244.61-215,405,344.58-86,488,455.17

Finding the Fourth Proportional to 156,081,244.61, 215,405,344.58 and 86,488,455.17

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Solution

The fourth proportional to 156,081,244.61, 215,405,344.58 and 86,488,455.17 is: 119,361,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,081,244.61 : 215,405,344.58 = 86,488,455.17 : x
  2. Step 2: Convert to fraction form
    156,081,244.61/215,405,344.58 = 86,488,455.17/x
  3. Step 3: Cross multiply
    156,081,244.61x = 215,405,344.58 × 86,488,455.17
  4. Step 4: Simplify right side
    156,081,244.61x = 18,630,075,488,191,804
  5. Step 5: Solve for x
    x = 18,630,075,488,191,804/156,081,244.61
  6. Step 6: Final answer
    x = 119,361,397.55

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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.