Home / 76,355,314.88-105,369,448.79-41,547,405.60

Finding the Fourth Proportional to 76,355,314.88, 105,369,448.79 and 41,547,405.60

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Solution

The fourth proportional to 76,355,314.88, 105,369,448.79 and 41,547,405.60 is: 57,334,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,355,314.88 : 105,369,448.79 = 41,547,405.60 : x
  2. Step 2: Convert to fraction form
    76,355,314.88/105,369,448.79 = 41,547,405.60/x
  3. Step 3: Cross multiply
    76,355,314.88x = 105,369,448.79 × 41,547,405.60
  4. Step 4: Simplify right side
    76,355,314.88x = 4,377,827,226,830,428
  5. Step 5: Solve for x
    x = 4,377,827,226,830,428/76,355,314.88
  6. Step 6: Final answer
    x = 57,334,937.77

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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.