Home / 86,893,817.40-130,004,802.90-56,660,729.40

Finding the Fourth Proportional to 86,893,817.40, 130,004,802.90 and 56,660,729.40

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Solution

The fourth proportional to 86,893,817.40, 130,004,802.90 and 56,660,729.40 is: 84,772,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,893,817.40 : 130,004,802.90 = 56,660,729.40 : x
  2. Step 2: Convert to fraction form
    86,893,817.40/130,004,802.90 = 56,660,729.40/x
  3. Step 3: Cross multiply
    86,893,817.40x = 130,004,802.90 × 56,660,729.40
  4. Step 4: Simplify right side
    86,893,817.40x = 7,366,166,957,817,235
  5. Step 5: Solve for x
    x = 7,366,166,957,817,235/86,893,817.40
  6. Step 6: Final answer
    x = 84,772,049.13

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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.