Home / 152,983,806.12-211,111,509.60-83,367,703.26

Finding the Fourth Proportional to 152,983,806.12, 211,111,509.60 and 83,367,703.26

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Solution

The fourth proportional to 152,983,806.12, 211,111,509.60 and 83,367,703.26 is: 115,044,082.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,983,806.12 : 211,111,509.60 = 83,367,703.26 : x
  2. Step 2: Convert to fraction form
    152,983,806.12/211,111,509.60 = 83,367,703.26/x
  3. Step 3: Cross multiply
    152,983,806.12x = 211,111,509.60 × 83,367,703.26
  4. Step 4: Simplify right side
    152,983,806.12x = 17,599,881,687,103,442
  5. Step 5: Solve for x
    x = 17,599,881,687,103,442/152,983,806.12
  6. Step 6: Final answer
    x = 115,044,082.99

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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.