Home / 102,071,939.20-153,107,908.80-93,143,730.40

Finding the Fourth Proportional to 102,071,939.20, 153,107,908.80 and 93,143,730.40

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Solution

The fourth proportional to 102,071,939.20, 153,107,908.80 and 93,143,730.40 is: 139,715,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,071,939.20 : 153,107,908.80 = 93,143,730.40 : x
  2. Step 2: Convert to fraction form
    102,071,939.20/153,107,908.80 = 93,143,730.40/x
  3. Step 3: Cross multiply
    102,071,939.20x = 153,107,908.80 × 93,143,730.40
  4. Step 4: Simplify right side
    102,071,939.20x = 14,261,041,779,374,990
  5. Step 5: Solve for x
    x = 14,261,041,779,374,990/102,071,939.20
  6. Step 6: Final answer
    x = 139,715,595.60

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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.