Home / 119,924,128.90-165,495,826.04-64,919,985.40

Finding the Fourth Proportional to 119,924,128.90, 165,495,826.04 and 64,919,985.40

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Solution

The fourth proportional to 119,924,128.90, 165,495,826.04 and 64,919,985.40 is: 89,589,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,924,128.90 : 165,495,826.04 = 64,919,985.40 : x
  2. Step 2: Convert to fraction form
    119,924,128.90/165,495,826.04 = 64,919,985.40/x
  3. Step 3: Cross multiply
    119,924,128.90x = 165,495,826.04 × 64,919,985.40
  4. Step 4: Simplify right side
    119,924,128.90x = 10,743,986,610,277,740
  5. Step 5: Solve for x
    x = 10,743,986,610,277,740/119,924,128.90
  6. Step 6: Final answer
    x = 89,589,865.77

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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.