Home / 152,730,964.65-210,775,671.81-90,009,709.77

Finding the Fourth Proportional to 152,730,964.65, 210,775,671.81 and 90,009,709.77

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Solution

The fourth proportional to 152,730,964.65, 210,775,671.81 and 90,009,709.77 is: 124,217,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,730,964.65 : 210,775,671.81 = 90,009,709.77 : x
  2. Step 2: Convert to fraction form
    152,730,964.65/210,775,671.81 = 90,009,709.77/x
  3. Step 3: Cross multiply
    152,730,964.65x = 210,775,671.81 × 90,009,709.77
  4. Step 4: Simplify right side
    152,730,964.65x = 18,971,857,046,194,868
  5. Step 5: Solve for x
    x = 18,971,857,046,194,868/152,730,964.65
  6. Step 6: Final answer
    x = 124,217,489.82

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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.