Home / 86,973,398.88-130,176,213.28-63,938,233.60

Finding the Fourth Proportional to 86,973,398.88, 130,176,213.28 and 63,938,233.60

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Solution

The fourth proportional to 86,973,398.88, 130,176,213.28 and 63,938,233.60 is: 95,698,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,973,398.88 : 130,176,213.28 = 63,938,233.60 : x
  2. Step 2: Convert to fraction form
    86,973,398.88/130,176,213.28 = 63,938,233.60/x
  3. Step 3: Cross multiply
    86,973,398.88x = 130,176,213.28 × 63,938,233.60
  4. Step 4: Simplify right side
    86,973,398.88x = 8,323,237,133,860,062
  5. Step 5: Solve for x
    x = 8,323,237,133,860,062/86,973,398.88
  6. Step 6: Final answer
    x = 95,698,653.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.