Home / 70,352,005.40-105,378,708.90-58,408,069.40

Finding the Fourth Proportional to 70,352,005.40, 105,378,708.90 and 58,408,069.40

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Solution

The fourth proportional to 70,352,005.40, 105,378,708.90 and 58,408,069.40 is: 87,488,152.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,352,005.40 : 105,378,708.90 = 58,408,069.40 : x
  2. Step 2: Convert to fraction form
    70,352,005.40/105,378,708.90 = 58,408,069.40/x
  3. Step 3: Cross multiply
    70,352,005.40x = 105,378,708.90 × 58,408,069.40
  4. Step 4: Simplify right side
    70,352,005.40x = 6,154,966,942,713,598
  5. Step 5: Solve for x
    x = 6,154,966,942,713,598/70,352,005.40
  6. Step 6: Final answer
    x = 87,488,152.01

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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.