Home / 130,563,071.03-180,178,533.32-74,807,374.16

Finding the Fourth Proportional to 130,563,071.03, 180,178,533.32 and 74,807,374.16

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Solution

The fourth proportional to 130,563,071.03, 180,178,533.32 and 74,807,374.16 is: 103,235,033.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,563,071.03 : 180,178,533.32 = 74,807,374.16 : x
  2. Step 2: Convert to fraction form
    130,563,071.03/180,178,533.32 = 74,807,374.16/x
  3. Step 3: Cross multiply
    130,563,071.03x = 180,178,533.32 × 74,807,374.16
  4. Step 4: Simplify right side
    130,563,071.03x = 13,478,682,956,394,338
  5. Step 5: Solve for x
    x = 13,478,682,956,394,338/130,563,071.03
  6. Step 6: Final answer
    x = 103,235,033.08

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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.