Home / 86,943,956.40-130,415,934.60-52,931,732.40

Finding the Fourth Proportional to 86,943,956.40, 130,415,934.60 and 52,931,732.40

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Solution

The fourth proportional to 86,943,956.40, 130,415,934.60 and 52,931,732.40 is: 79,397,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,943,956.40 : 130,415,934.60 = 52,931,732.40 : x
  2. Step 2: Convert to fraction form
    86,943,956.40/130,415,934.60 = 52,931,732.40/x
  3. Step 3: Cross multiply
    86,943,956.40x = 130,415,934.60 × 52,931,732.40
  4. Step 4: Simplify right side
    86,943,956.40x = 6,903,141,350,943,101
  5. Step 5: Solve for x
    x = 6,903,141,350,943,101/86,943,956.40
  6. Step 6: Final answer
    x = 79,397,598.60

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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.