Home / 99,382,320.42-137,146,303.08-57,572,085.48

Finding the Fourth Proportional to 99,382,320.42, 137,146,303.08 and 57,572,085.48

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Solution

The fourth proportional to 99,382,320.42, 137,146,303.08 and 57,572,085.48 is: 79,448,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,382,320.42 : 137,146,303.08 = 57,572,085.48 : x
  2. Step 2: Convert to fraction form
    99,382,320.42/137,146,303.08 = 57,572,085.48/x
  3. Step 3: Cross multiply
    99,382,320.42x = 137,146,303.08 × 57,572,085.48
  4. Step 4: Simplify right side
    99,382,320.42x = 7,895,798,684,187,748
  5. Step 5: Solve for x
    x = 7,895,798,684,187,748/99,382,320.42
  6. Step 6: Final answer
    x = 79,448,725.40

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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.