Home / 103,708,732,699.80-143,038,809,780.02-89,265,017,538.80

Finding the Fourth Proportional to 103,708,732,699.80, 143,038,809,780.02 and 89,265,017,538.80

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Solution

The fourth proportional to 103,708,732,699.80, 143,038,809,780.02 and 89,265,017,538.80 is: 123,117,518,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,708,732,699.80 : 143,038,809,780.02 = 89,265,017,538.80 : x
  2. Step 2: Convert to fraction form
    103,708,732,699.80/143,038,809,780.02 = 89,265,017,538.80/x
  3. Step 3: Cross multiply
    103,708,732,699.80x = 143,038,809,780.02 × 89,265,017,538.80
  4. Step 4: Simplify right side
    103,708,732,699.80x = 12,768,361,863,742,561,976,320
  5. Step 5: Solve for x
    x = 12,768,361,863,742,561,976,320/103,708,732,699.80
  6. Step 6: Final answer
    x = 123,117,518,952.84

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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.