Home / 57,006,774.68-85,510,191.18-13,875,985.40

Finding the Fourth Proportional to 57,006,774.68, 85,510,191.18 and 13,875,985.40

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Solution

The fourth proportional to 57,006,774.68, 85,510,191.18 and 13,875,985.40 is: 20,813,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,006,774.68 : 85,510,191.18 = 13,875,985.40 : x
  2. Step 2: Convert to fraction form
    57,006,774.68/85,510,191.18 = 13,875,985.40/x
  3. Step 3: Cross multiply
    57,006,774.68x = 85,510,191.18 × 13,875,985.40
  4. Step 4: Simplify right side
    57,006,774.68x = 1,186,538,164,364,889
  5. Step 5: Solve for x
    x = 1,186,538,164,364,889/57,006,774.68
  6. Step 6: Final answer
    x = 20,813,985.20

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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.