Home / 78,495,159.34-117,745,985.55-23,162,995

Finding the Fourth Proportional to 78,495,159.34, 117,745,985.55 and 23,162,995

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Solution

The fourth proportional to 78,495,159.34, 117,745,985.55 and 23,162,995 is: 34,745,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,495,159.34 : 117,745,985.55 = 23,162,995 : x
  2. Step 2: Convert to fraction form
    78,495,159.34/117,745,985.55 = 23,162,995/x
  3. Step 3: Cross multiply
    78,495,159.34x = 117,745,985.55 × 23,162,995
  4. Step 4: Simplify right side
    78,495,159.34x = 2,727,349,674,564,722
  5. Step 5: Solve for x
    x = 2,727,349,674,564,722/78,495,159.34
  6. Step 6: Final answer
    x = 34,745,450.52

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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.