Home / 72,158,045.40-108,111,096.90-62,080,349.40

Finding the Fourth Proportional to 72,158,045.40, 108,111,096.90 and 62,080,349.40

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Solution

The fourth proportional to 72,158,045.40, 108,111,096.90 and 62,080,349.40 is: 93,012,146.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,158,045.40 : 108,111,096.90 = 62,080,349.40 : x
  2. Step 2: Convert to fraction form
    72,158,045.40/108,111,096.90 = 62,080,349.40/x
  3. Step 3: Cross multiply
    72,158,045.40x = 108,111,096.90 × 62,080,349.40
  4. Step 4: Simplify right side
    72,158,045.40x = 6,711,574,669,569,257
  5. Step 5: Solve for x
    x = 6,711,574,669,569,257/72,158,045.40
  6. Step 6: Final answer
    x = 93,012,146.22

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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.