Home / 170,655,904.28-235,418,386.23-103,657,033.53

Finding the Fourth Proportional to 170,655,904.28, 235,418,386.23 and 103,657,033.53

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Solution

The fourth proportional to 170,655,904.28, 235,418,386.23 and 103,657,033.53 is: 142,994,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,655,904.28 : 235,418,386.23 = 103,657,033.53 : x
  2. Step 2: Convert to fraction form
    170,655,904.28/235,418,386.23 = 103,657,033.53/x
  3. Step 3: Cross multiply
    170,655,904.28x = 235,418,386.23 × 103,657,033.53
  4. Step 4: Simplify right side
    170,655,904.28x = 24,402,771,555,021,600
  5. Step 5: Solve for x
    x = 24,402,771,555,021,600/170,655,904.28
  6. Step 6: Final answer
    x = 142,994,006.90

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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.