Home / 103,708,732,697.79-143,038,809,777.27-89,265,017,536.80

Finding the Fourth Proportional to 103,708,732,697.79, 143,038,809,777.27 and 89,265,017,536.80

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Solution

The fourth proportional to 103,708,732,697.79, 143,038,809,777.27 and 89,265,017,536.80 is: 123,117,518,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,708,732,697.79 : 143,038,809,777.27 = 89,265,017,536.80 : x
  2. Step 2: Convert to fraction form
    103,708,732,697.79/143,038,809,777.27 = 89,265,017,536.80/x
  3. Step 3: Cross multiply
    103,708,732,697.79x = 143,038,809,777.27 × 89,265,017,536.80
  4. Step 4: Simplify right side
    103,708,732,697.79x = 12,768,361,863,211,005,247,488
  5. Step 5: Solve for x
    x = 12,768,361,863,211,005,247,488/103,708,732,697.79
  6. Step 6: Final answer
    x = 123,117,518,950.10

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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.