Home / 185,731,929.60-278,624,798.46-69,137,594.16

Finding the Fourth Proportional to 185,731,929.60, 278,624,798.46 and 69,137,594.16

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Solution

The fourth proportional to 185,731,929.60, 278,624,798.46 and 69,137,594.16 is: 103,716,406.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,731,929.60 : 278,624,798.46 = 69,137,594.16 : x
  2. Step 2: Convert to fraction form
    185,731,929.60/278,624,798.46 = 69,137,594.16/x
  3. Step 3: Cross multiply
    185,731,929.60x = 278,624,798.46 × 69,137,594.16
  4. Step 4: Simplify right side
    185,731,929.60x = 19,263,448,238,839,272
  5. Step 5: Solve for x
    x = 19,263,448,238,839,272/185,731,929.60
  6. Step 6: Final answer
    x = 103,716,406.11

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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.