Home / 144,185,429.80-216,299,139.90-47,117,621.80

Finding the Fourth Proportional to 144,185,429.80, 216,299,139.90 and 47,117,621.80

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Solution

The fourth proportional to 144,185,429.80, 216,299,139.90 and 47,117,621.80 is: 70,683,293.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,185,429.80 : 216,299,139.90 = 47,117,621.80 : x
  2. Step 2: Convert to fraction form
    144,185,429.80/216,299,139.90 = 47,117,621.80/x
  3. Step 3: Cross multiply
    144,185,429.80x = 216,299,139.90 × 47,117,621.80
  4. Step 4: Simplify right side
    144,185,429.80x = 10,191,501,069,473,490
  5. Step 5: Solve for x
    x = 10,191,501,069,473,490/144,185,429.80
  6. Step 6: Final answer
    x = 70,683,293.61

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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.