Home / 119,316,870.64-164,732,928.33-81,702,971.11

Finding the Fourth Proportional to 119,316,870.64, 164,732,928.33 and 81,702,971.11

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Solution

The fourth proportional to 119,316,870.64, 164,732,928.33 and 81,702,971.11 is: 112,801,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,316,870.64 : 164,732,928.33 = 81,702,971.11 : x
  2. Step 2: Convert to fraction form
    119,316,870.64/164,732,928.33 = 81,702,971.11/x
  3. Step 3: Cross multiply
    119,316,870.64x = 164,732,928.33 × 81,702,971.11
  4. Step 4: Simplify right side
    119,316,870.64x = 13,459,169,684,211,692
  5. Step 5: Solve for x
    x = 13,459,169,684,211,692/119,316,870.64
  6. Step 6: Final answer
    x = 112,801,899.78

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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.