Home / 152,361,819.84-210,272,278.61-86,294,071.32

Finding the Fourth Proportional to 152,361,819.84, 210,272,278.61 and 86,294,071.32

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Solution

The fourth proportional to 152,361,819.84, 210,272,278.61 and 86,294,071.32 is: 119,093,162.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,361,819.84 : 210,272,278.61 = 86,294,071.32 : x
  2. Step 2: Convert to fraction form
    152,361,819.84/210,272,278.61 = 86,294,071.32/x
  3. Step 3: Cross multiply
    152,361,819.84x = 210,272,278.61 × 86,294,071.32
  4. Step 4: Simplify right side
    152,361,819.84x = 18,145,251,006,558,776
  5. Step 5: Solve for x
    x = 18,145,251,006,558,776/152,361,819.84
  6. Step 6: Final answer
    x = 119,093,162.75

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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.