Home / 111,911,031.60-167,866,547.40-31,131,999.60

Finding the Fourth Proportional to 111,911,031.60, 167,866,547.40 and 31,131,999.60

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Solution

The fourth proportional to 111,911,031.60, 167,866,547.40 and 31,131,999.60 is: 46,697,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,911,031.60 : 167,866,547.40 = 31,131,999.60 : x
  2. Step 2: Convert to fraction form
    111,911,031.60/167,866,547.40 = 31,131,999.60/x
  3. Step 3: Cross multiply
    111,911,031.60x = 167,866,547.40 × 31,131,999.60
  4. Step 4: Simplify right side
    111,911,031.60x = 5,226,021,286,510,181
  5. Step 5: Solve for x
    x = 5,226,021,286,510,181/111,911,031.60
  6. Step 6: Final answer
    x = 46,697,999.40

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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.