Home / 152,245,548.71-210,074,858.95-88,676,349.92

Finding the Fourth Proportional to 152,245,548.71, 210,074,858.95 and 88,676,349.92

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Solution

The fourth proportional to 152,245,548.71, 210,074,858.95 and 88,676,349.92 is: 122,359,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,245,548.71 : 210,074,858.95 = 88,676,349.92 : x
  2. Step 2: Convert to fraction form
    152,245,548.71/210,074,858.95 = 88,676,349.92/x
  3. Step 3: Cross multiply
    152,245,548.71x = 210,074,858.95 × 88,676,349.92
  4. Step 4: Simplify right side
    152,245,548.71x = 18,628,671,700,372,780
  5. Step 5: Solve for x
    x = 18,628,671,700,372,780/152,245,548.71
  6. Step 6: Final answer
    x = 122,359,384.95

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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.