Home / 112,390,848.80-168,502,292.40-61,330,522.40

Finding the Fourth Proportional to 112,390,848.80, 168,502,292.40 and 61,330,522.40

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Solution

The fourth proportional to 112,390,848.80, 168,502,292.40 and 61,330,522.40 is: 91,949,956.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,390,848.80 : 168,502,292.40 = 61,330,522.40 : x
  2. Step 2: Convert to fraction form
    112,390,848.80/168,502,292.40 = 61,330,522.40/x
  3. Step 3: Cross multiply
    112,390,848.80x = 168,502,292.40 × 61,330,522.40
  4. Step 4: Simplify right side
    112,390,848.80x = 10,334,333,618,489,550
  5. Step 5: Solve for x
    x = 10,334,333,618,489,550/112,390,848.80
  6. Step 6: Final answer
    x = 91,949,956.15

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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.