Home / 119,581,957.90-165,023,100.93-64,577,809.54

Finding the Fourth Proportional to 119,581,957.90, 165,023,100.93 and 64,577,809.54

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Solution

The fourth proportional to 119,581,957.90, 165,023,100.93 and 64,577,809.54 is: 89,117,376.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,581,957.90 : 165,023,100.93 = 64,577,809.54 : x
  2. Step 2: Convert to fraction form
    119,581,957.90/165,023,100.93 = 64,577,809.54/x
  3. Step 3: Cross multiply
    119,581,957.90x = 165,023,100.93 × 64,577,809.54
  4. Step 4: Simplify right side
    119,581,957.90x = 10,656,830,381,557,738
  5. Step 5: Solve for x
    x = 10,656,830,381,557,738/119,581,957.90
  6. Step 6: Final answer
    x = 89,117,376.64

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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.