Home / 160,357,188.45-221,292,920.07-87,018,330.45

Finding the Fourth Proportional to 160,357,188.45, 221,292,920.07 and 87,018,330.45

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Solution

The fourth proportional to 160,357,188.45, 221,292,920.07 and 87,018,330.45 is: 120,085,296.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,357,188.45 : 221,292,920.07 = 87,018,330.45 : x
  2. Step 2: Convert to fraction form
    160,357,188.45/221,292,920.07 = 87,018,330.45/x
  3. Step 3: Cross multiply
    160,357,188.45x = 221,292,920.07 × 87,018,330.45
  4. Step 4: Simplify right side
    160,357,188.45x = 19,256,540,445,226,304
  5. Step 5: Solve for x
    x = 19,256,540,445,226,304/160,357,188.45
  6. Step 6: Final answer
    x = 120,085,296.03

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1.5x scale

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.