Home / 147,941,602.71-204,109,965.90-86,048,802.87

Finding the Fourth Proportional to 147,941,602.71, 204,109,965.90 and 86,048,802.87

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Solution

The fourth proportional to 147,941,602.71, 204,109,965.90 and 86,048,802.87 is: 118,718,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,941,602.71 : 204,109,965.90 = 86,048,802.87 : x
  2. Step 2: Convert to fraction form
    147,941,602.71/204,109,965.90 = 86,048,802.87/x
  3. Step 3: Cross multiply
    147,941,602.71x = 204,109,965.90 × 86,048,802.87
  4. Step 4: Simplify right side
    147,941,602.71x = 17,563,418,219,531,524
  5. Step 5: Solve for x
    x = 17,563,418,219,531,524/147,941,602.71
  6. Step 6: Final answer
    x = 118,718,588.27

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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.