Home / 157,451,868.48-236,161,856.75-42,448,036.08

Finding the Fourth Proportional to 157,451,868.48, 236,161,856.75 and 42,448,036.08

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Solution

The fourth proportional to 157,451,868.48, 236,161,856.75 and 42,448,036.08 is: 63,667,755.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,451,868.48 : 236,161,856.75 = 42,448,036.08 : x
  2. Step 2: Convert to fraction form
    157,451,868.48/236,161,856.75 = 42,448,036.08/x
  3. Step 3: Cross multiply
    157,451,868.48x = 236,161,856.75 × 42,448,036.08
  4. Step 4: Simplify right side
    157,451,868.48x = 10,024,607,015,831,552
  5. Step 5: Solve for x
    x = 10,024,607,015,831,552/157,451,868.48
  6. Step 6: Final answer
    x = 63,667,755.19

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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.