Home / 100,106,428.60-150,159,642.90-31,956,009.40

Finding the Fourth Proportional to 100,106,428.60, 150,159,642.90 and 31,956,009.40

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Solution

The fourth proportional to 100,106,428.60, 150,159,642.90 and 31,956,009.40 is: 47,934,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,106,428.60 : 150,159,642.90 = 31,956,009.40 : x
  2. Step 2: Convert to fraction form
    100,106,428.60/150,159,642.90 = 31,956,009.40/x
  3. Step 3: Cross multiply
    100,106,428.60x = 150,159,642.90 × 31,956,009.40
  4. Step 4: Simplify right side
    100,106,428.60x = 4,798,502,960,013,043
  5. Step 5: Solve for x
    x = 4,798,502,960,013,043/100,106,428.60
  6. Step 6: Final answer
    x = 47,934,014.10

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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.