Home / 145,176,009.40-217,764,014.10-93,779,759.80

Finding the Fourth Proportional to 145,176,009.40, 217,764,014.10 and 93,779,759.80

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Solution

The fourth proportional to 145,176,009.40, 217,764,014.10 and 93,779,759.80 is: 140,669,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,176,009.40 : 217,764,014.10 = 93,779,759.80 : x
  2. Step 2: Convert to fraction form
    145,176,009.40/217,764,014.10 = 93,779,759.80/x
  3. Step 3: Cross multiply
    145,176,009.40x = 217,764,014.10 × 93,779,759.80
  4. Step 4: Simplify right side
    145,176,009.40x = 20,421,856,935,381,812
  5. Step 5: Solve for x
    x = 20,421,856,935,381,812/145,176,009.40
  6. Step 6: Final answer
    x = 140,669,639.70

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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.