Home / 82,707,638.70-124,088,030.10-55,444,715.40

Finding the Fourth Proportional to 82,707,638.70, 124,088,030.10 and 55,444,715.40

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Solution

The fourth proportional to 82,707,638.70, 124,088,030.10 and 55,444,715.40 is: 83,184,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,707,638.70 : 124,088,030.10 = 55,444,715.40 : x
  2. Step 2: Convert to fraction form
    82,707,638.70/124,088,030.10 = 55,444,715.40/x
  3. Step 3: Cross multiply
    82,707,638.70x = 124,088,030.10 × 55,444,715.40
  4. Step 4: Simplify right side
    82,707,638.70x = 6,880,025,513,441,133
  5. Step 5: Solve for x
    x = 6,880,025,513,441,133/82,707,638.70
  6. Step 6: Final answer
    x = 83,184,886.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.