Home / 187,272,030.10-280,908,045.15-100,966,011.70

Finding the Fourth Proportional to 187,272,030.10, 280,908,045.15 and 100,966,011.70

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Solution

The fourth proportional to 187,272,030.10, 280,908,045.15 and 100,966,011.70 is: 151,449,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,272,030.10 : 280,908,045.15 = 100,966,011.70 : x
  2. Step 2: Convert to fraction form
    187,272,030.10/280,908,045.15 = 100,966,011.70/x
  3. Step 3: Cross multiply
    187,272,030.10x = 280,908,045.15 × 100,966,011.70
  4. Step 4: Simplify right side
    187,272,030.10x = 28,362,164,973,239,028
  5. Step 5: Solve for x
    x = 28,362,164,973,239,028/187,272,030.10
  6. Step 6: Final answer
    x = 151,449,017.55

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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.