Home / 86,829,938.34-119,828,684.62-47,673,365.46

Finding the Fourth Proportional to 86,829,938.34, 119,828,684.62 and 47,673,365.46

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Solution

The fourth proportional to 86,829,938.34, 119,828,684.62 and 47,673,365.46 is: 65,791,094.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,829,938.34 : 119,828,684.62 = 47,673,365.46 : x
  2. Step 2: Convert to fraction form
    86,829,938.34/119,828,684.62 = 47,673,365.46/x
  3. Step 3: Cross multiply
    86,829,938.34x = 119,828,684.62 × 47,673,365.46
  4. Step 4: Simplify right side
    86,829,938.34x = 5,712,636,674,480,342
  5. Step 5: Solve for x
    x = 5,712,636,674,480,342/86,829,938.34
  6. Step 6: Final answer
    x = 65,791,094.45

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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.