Home / 86,937,694.20-130,406,541.30-65,254,901.40

Finding the Fourth Proportional to 86,937,694.20, 130,406,541.30 and 65,254,901.40

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Solution

The fourth proportional to 86,937,694.20, 130,406,541.30 and 65,254,901.40 is: 97,882,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,937,694.20 : 130,406,541.30 = 65,254,901.40 : x
  2. Step 2: Convert to fraction form
    86,937,694.20/130,406,541.30 = 65,254,901.40/x
  3. Step 3: Cross multiply
    86,937,694.20x = 130,406,541.30 × 65,254,901.40
  4. Step 4: Simplify right side
    86,937,694.20x = 8,509,665,994,446,527
  5. Step 5: Solve for x
    x = 8,509,665,994,446,527/86,937,694.20
  6. Step 6: Final answer
    x = 97,882,352.10

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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.