Home / 268,272,002.90-402,408,004.35-86,537,551.70

Finding the Fourth Proportional to 268,272,002.90, 402,408,004.35 and 86,537,551.70

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Solution

The fourth proportional to 268,272,002.90, 402,408,004.35 and 86,537,551.70 is: 129,806,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,002.90 : 402,408,004.35 = 86,537,551.70 : x
  2. Step 2: Convert to fraction form
    268,272,002.90/402,408,004.35 = 86,537,551.70/x
  3. Step 3: Cross multiply
    268,272,002.90x = 402,408,004.35 × 86,537,551.70
  4. Step 4: Simplify right side
    268,272,002.90x = 34,823,403,480,931,952
  5. Step 5: Solve for x
    x = 34,823,403,480,931,952/268,272,002.90
  6. Step 6: Final answer
    x = 129,806,327.55

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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.