Home / 156,650,931.46-216,184,119.55-93,937,239.80

Finding the Fourth Proportional to 156,650,931.46, 216,184,119.55 and 93,937,239.80

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Solution

The fourth proportional to 156,650,931.46, 216,184,119.55 and 93,937,239.80 is: 129,636,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,650,931.46 : 216,184,119.55 = 93,937,239.80 : x
  2. Step 2: Convert to fraction form
    156,650,931.46/216,184,119.55 = 93,937,239.80/x
  3. Step 3: Cross multiply
    156,650,931.46x = 216,184,119.55 × 93,937,239.80
  4. Step 4: Simplify right side
    156,650,931.46x = 20,307,739,479,120,220
  5. Step 5: Solve for x
    x = 20,307,739,479,120,220/156,650,931.46
  6. Step 6: Final answer
    x = 129,636,889.42

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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.