Home / 158,526,009.60-237,789,014.40-72,432,567.60

Finding the Fourth Proportional to 158,526,009.60, 237,789,014.40 and 72,432,567.60

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Solution

The fourth proportional to 158,526,009.60, 237,789,014.40 and 72,432,567.60 is: 108,648,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,526,009.60 : 237,789,014.40 = 72,432,567.60 : x
  2. Step 2: Convert to fraction form
    158,526,009.60/237,789,014.40 = 72,432,567.60/x
  3. Step 3: Cross multiply
    158,526,009.60x = 237,789,014.40 × 72,432,567.60
  4. Step 4: Simplify right side
    158,526,009.60x = 17,223,668,860,065,372
  5. Step 5: Solve for x
    x = 17,223,668,860,065,372/158,526,009.60
  6. Step 6: Final answer
    x = 108,648,851.40

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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.