Home / 144,146,818.12-216,248,045.86-47,076,429.46

Finding the Fourth Proportional to 144,146,818.12, 216,248,045.86 and 47,076,429.46

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Solution

The fourth proportional to 144,146,818.12, 216,248,045.86 and 47,076,429.46 is: 70,623,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,146,818.12 : 216,248,045.86 = 47,076,429.46 : x
  2. Step 2: Convert to fraction form
    144,146,818.12/216,248,045.86 = 47,076,429.46/x
  3. Step 3: Cross multiply
    144,146,818.12x = 216,248,045.86 × 47,076,429.46
  4. Step 4: Simplify right side
    144,146,818.12x = 10,180,185,876,791,136
  5. Step 5: Solve for x
    x = 10,180,185,876,791,136/144,146,818.12
  6. Step 6: Final answer
    x = 70,623,729.40

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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.