Home / 90,569,065.44-124,968,705.12-53,411,002.56

Finding the Fourth Proportional to 90,569,065.44, 124,968,705.12 and 53,411,002.56

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Solution

The fourth proportional to 90,569,065.44, 124,968,705.12 and 53,411,002.56 is: 73,697,391.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,569,065.44 : 124,968,705.12 = 53,411,002.56 : x
  2. Step 2: Convert to fraction form
    90,569,065.44/124,968,705.12 = 53,411,002.56/x
  3. Step 3: Cross multiply
    90,569,065.44x = 124,968,705.12 × 53,411,002.56
  4. Step 4: Simplify right side
    90,569,065.44x = 6,674,703,829,084,206
  5. Step 5: Solve for x
    x = 6,674,703,829,084,206/90,569,065.44
  6. Step 6: Final answer
    x = 73,697,391.01

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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.