Home / 70,116,223.40-105,652,929.49-57,616,731.08

Finding the Fourth Proportional to 70,116,223.40, 105,652,929.49 and 57,616,731.08

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Solution

The fourth proportional to 70,116,223.40, 105,652,929.49 and 57,616,731.08 is: 86,818,372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,116,223.40 : 105,652,929.49 = 57,616,731.08 : x
  2. Step 2: Convert to fraction form
    70,116,223.40/105,652,929.49 = 57,616,731.08/x
  3. Step 3: Cross multiply
    70,116,223.40x = 105,652,929.49 × 57,616,731.08
  4. Step 4: Simplify right side
    70,116,223.40x = 6,087,376,426,239,531
  5. Step 5: Solve for x
    x = 6,087,376,426,239,531/70,116,223.40
  6. Step 6: Final answer
    x = 86,818,372.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.