Home / 288,734,127.58-398,453,202.36-156,575,089.48

Finding the Fourth Proportional to 288,734,127.58, 398,453,202.36 and 156,575,089.48

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Solution

The fourth proportional to 288,734,127.58, 398,453,202.36 and 156,575,089.48 is: 216,073,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,734,127.58 : 398,453,202.36 = 156,575,089.48 : x
  2. Step 2: Convert to fraction form
    288,734,127.58/398,453,202.36 = 156,575,089.48/x
  3. Step 3: Cross multiply
    288,734,127.58x = 398,453,202.36 × 156,575,089.48
  4. Step 4: Simplify right side
    288,734,127.58x = 62,387,845,813,109,544
  5. Step 5: Solve for x
    x = 62,387,845,813,109,544/288,734,127.58
  6. Step 6: Final answer
    x = 216,073,681.13

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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.