Home / 85,536,065.40-128,304,098.10-21,710,657.40

Finding the Fourth Proportional to 85,536,065.40, 128,304,098.10 and 21,710,657.40

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Solution

The fourth proportional to 85,536,065.40, 128,304,098.10 and 21,710,657.40 is: 32,565,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536,065.40 : 128,304,098.10 = 21,710,657.40 : x
  2. Step 2: Convert to fraction form
    85,536,065.40/128,304,098.10 = 21,710,657.40/x
  3. Step 3: Cross multiply
    85,536,065.40x = 128,304,098.10 × 21,710,657.40
  4. Step 4: Simplify right side
    85,536,065.40x = 2,785,566,316,865,090.50
  5. Step 5: Solve for x
    x = 2,785,566,316,865,090.50/85,536,065.40
  6. Step 6: Final answer
    x = 32,565,986.10

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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.