Home / 86,685,622.32-130,050,082.08-61,176,454.32

Finding the Fourth Proportional to 86,685,622.32, 130,050,082.08 and 61,176,454.32

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Solution

The fourth proportional to 86,685,622.32, 130,050,082.08 and 61,176,454.32 is: 91,779,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,685,622.32 : 130,050,082.08 = 61,176,454.32 : x
  2. Step 2: Convert to fraction form
    86,685,622.32/130,050,082.08 = 61,176,454.32/x
  3. Step 3: Cross multiply
    86,685,622.32x = 130,050,082.08 × 61,176,454.32
  4. Step 4: Simplify right side
    86,685,622.32x = 7,956,002,905,679,371
  5. Step 5: Solve for x
    x = 7,956,002,905,679,371/86,685,622.32
  6. Step 6: Final answer
    x = 91,779,959.50

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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.