Home / 86,926,689.60-119,958,130.08-47,233,872.96

Finding the Fourth Proportional to 86,926,689.60, 119,958,130.08 and 47,233,872.96

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Solution

The fourth proportional to 86,926,689.60, 119,958,130.08 and 47,233,872.96 is: 65,182,363.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,926,689.60 : 119,958,130.08 = 47,233,872.96 : x
  2. Step 2: Convert to fraction form
    86,926,689.60/119,958,130.08 = 47,233,872.96/x
  3. Step 3: Cross multiply
    86,926,689.60x = 119,958,130.08 × 47,233,872.96
  4. Step 4: Simplify right side
    86,926,689.60x = 5,666,087,076,717,875
  5. Step 5: Solve for x
    x = 5,666,087,076,717,875/86,926,689.60
  6. Step 6: Final answer
    x = 65,182,363.47

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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.