Home / 144,624,132.90-216,937,965.15-42,390,238.86

Finding the Fourth Proportional to 144,624,132.90, 216,937,965.15 and 42,390,238.86

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Solution

The fourth proportional to 144,624,132.90, 216,937,965.15 and 42,390,238.86 is: 63,585,875.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,624,132.90 : 216,937,965.15 = 42,390,238.86 : x
  2. Step 2: Convert to fraction form
    144,624,132.90/216,937,965.15 = 42,390,238.86/x
  3. Step 3: Cross multiply
    144,624,132.90x = 216,937,965.15 × 42,390,238.86
  4. Step 4: Simplify right side
    144,624,132.90x = 9,196,052,160,510,856
  5. Step 5: Solve for x
    x = 9,196,052,160,510,856/144,624,132.90
  6. Step 6: Final answer
    x = 63,585,875.86

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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.