Home / 65,154,510.90-89,914,980.89-38,333,713.67

Finding the Fourth Proportional to 65,154,510.90, 89,914,980.89 and 38,333,713.67

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Solution

The fourth proportional to 65,154,510.90, 89,914,980.89 and 38,333,713.67 is: 52,901,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,154,510.90 : 89,914,980.89 = 38,333,713.67 : x
  2. Step 2: Convert to fraction form
    65,154,510.90/89,914,980.89 = 38,333,713.67/x
  3. Step 3: Cross multiply
    65,154,510.90x = 89,914,980.89 × 38,333,713.67
  4. Step 4: Simplify right side
    65,154,510.90x = 3,446,775,132,569,994
  5. Step 5: Solve for x
    x = 3,446,775,132,569,994/65,154,510.90
  6. Step 6: Final answer
    x = 52,901,557.93

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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.