Home / 103,898,337.18-143,379,873.27-57,490,547.10

Finding the Fourth Proportional to 103,898,337.18, 143,379,873.27 and 57,490,547.10

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Solution

The fourth proportional to 103,898,337.18, 143,379,873.27 and 57,490,547.10 is: 79,337,047.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,898,337.18 : 143,379,873.27 = 57,490,547.10 : x
  2. Step 2: Convert to fraction form
    103,898,337.18/143,379,873.27 = 57,490,547.10/x
  3. Step 3: Cross multiply
    103,898,337.18x = 143,379,873.27 × 57,490,547.10
  4. Step 4: Simplify right side
    103,898,337.18x = 8,242,987,357,420,967
  5. Step 5: Solve for x
    x = 8,242,987,357,420,967/103,898,337.18
  6. Step 6: Final answer
    x = 79,337,047.94

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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.