Home / 157,426,807.90-236,184,448.65-76,650,411.10

Finding the Fourth Proportional to 157,426,807.90, 236,184,448.65 and 76,650,411.10

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Solution

The fourth proportional to 157,426,807.90, 236,184,448.65 and 76,650,411.10 is: 114,997,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,426,807.90 : 236,184,448.65 = 76,650,411.10 : x
  2. Step 2: Convert to fraction form
    157,426,807.90/236,184,448.65 = 76,650,411.10/x
  3. Step 3: Cross multiply
    157,426,807.90x = 236,184,448.65 × 76,650,411.10
  4. Step 4: Simplify right side
    157,426,807.90x = 18,103,635,084,449,340
  5. Step 5: Solve for x
    x = 18,103,635,084,449,340/157,426,807.90
  6. Step 6: Final answer
    x = 114,997,155.35

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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.