Home / 130,507,475.58-180,105,051.40-74,763,669.56

Finding the Fourth Proportional to 130,507,475.58, 180,105,051.40 and 74,763,669.56

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Solution

The fourth proportional to 130,507,475.58, 180,105,051.40 and 74,763,669.56 is: 103,176,576.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,507,475.58 : 180,105,051.40 = 74,763,669.56 : x
  2. Step 2: Convert to fraction form
    130,507,475.58/180,105,051.40 = 74,763,669.56/x
  3. Step 3: Cross multiply
    130,507,475.58x = 180,105,051.40 × 74,763,669.56
  4. Step 4: Simplify right side
    130,507,475.58x = 13,465,314,547,868,982
  5. Step 5: Solve for x
    x = 13,465,314,547,868,982/130,507,475.58
  6. Step 6: Final answer
    x = 103,176,576.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.