Home / 65,405,541.70-98,108,312.55-59,347,114.30

Finding the Fourth Proportional to 65,405,541.70, 98,108,312.55 and 59,347,114.30

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Solution

The fourth proportional to 65,405,541.70, 98,108,312.55 and 59,347,114.30 is: 89,020,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,405,541.70 : 98,108,312.55 = 59,347,114.30 : x
  2. Step 2: Convert to fraction form
    65,405,541.70/98,108,312.55 = 59,347,114.30/x
  3. Step 3: Cross multiply
    65,405,541.70x = 98,108,312.55 × 59,347,114.30
  4. Step 4: Simplify right side
    65,405,541.70x = 5,822,445,238,684,974
  5. Step 5: Solve for x
    x = 5,822,445,238,684,974/65,405,541.70
  6. Step 6: Final answer
    x = 89,020,671.45

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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.