Home / 147,510,900.25-203,559,706.65-81,429,980.02

Finding the Fourth Proportional to 147,510,900.25, 203,559,706.65 and 81,429,980.02

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Solution

The fourth proportional to 147,510,900.25, 203,559,706.65 and 81,429,980.02 is: 112,370,426.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,510,900.25 : 203,559,706.65 = 81,429,980.02 : x
  2. Step 2: Convert to fraction form
    147,510,900.25/203,559,706.65 = 81,429,980.02/x
  3. Step 3: Cross multiply
    147,510,900.25x = 203,559,706.65 × 81,429,980.02
  4. Step 4: Simplify right side
    147,510,900.25x = 16,575,862,845,386,560
  5. Step 5: Solve for x
    x = 16,575,862,845,386,560/147,510,900.25
  6. Step 6: Final answer
    x = 112,370,426.98

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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.