Home / 156,769,501.94-216,355,697.80-86,217,544.67

Finding the Fourth Proportional to 156,769,501.94, 216,355,697.80 and 86,217,544.67

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Solution

The fourth proportional to 156,769,501.94, 216,355,697.80 and 86,217,544.67 is: 118,987,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,769,501.94 : 216,355,697.80 = 86,217,544.67 : x
  2. Step 2: Convert to fraction form
    156,769,501.94/216,355,697.80 = 86,217,544.67/x
  3. Step 3: Cross multiply
    156,769,501.94x = 216,355,697.80 × 86,217,544.67
  4. Step 4: Simplify right side
    156,769,501.94x = 18,653,657,039,249,432
  5. Step 5: Solve for x
    x = 18,653,657,039,249,432/156,769,501.94
  6. Step 6: Final answer
    x = 118,987,792.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.