Home / 145,176,006.40-217,764,009.60-93,779,756.80

Finding the Fourth Proportional to 145,176,006.40, 217,764,009.60 and 93,779,756.80

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Solution

The fourth proportional to 145,176,006.40, 217,764,009.60 and 93,779,756.80 is: 140,669,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,176,006.40 : 217,764,009.60 = 93,779,756.80 : x
  2. Step 2: Convert to fraction form
    145,176,006.40/217,764,009.60 = 93,779,756.80/x
  3. Step 3: Cross multiply
    145,176,006.40x = 217,764,009.60 × 93,779,756.80
  4. Step 4: Simplify right side
    145,176,006.40x = 20,421,855,860,080,864
  5. Step 5: Solve for x
    x = 20,421,855,860,080,864/145,176,006.40
  6. Step 6: Final answer
    x = 140,669,635.20

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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.