Home / 157,762,379.60-236,643,569.40-72,827,723.60

Finding the Fourth Proportional to 157,762,379.60, 236,643,569.40 and 72,827,723.60

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Solution

The fourth proportional to 157,762,379.60, 236,643,569.40 and 72,827,723.60 is: 109,241,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,762,379.60 : 236,643,569.40 = 72,827,723.60 : x
  2. Step 2: Convert to fraction form
    157,762,379.60/236,643,569.40 = 72,827,723.60/x
  3. Step 3: Cross multiply
    157,762,379.60x = 236,643,569.40 × 72,827,723.60
  4. Step 4: Simplify right side
    157,762,379.60x = 17,234,212,463,980,616
  5. Step 5: Solve for x
    x = 17,234,212,463,980,616/157,762,379.60
  6. Step 6: Final answer
    x = 109,241,585.40

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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.