Home / 103,898,341.18-143,379,878.79-57,490,551.10

Finding the Fourth Proportional to 103,898,341.18, 143,379,878.79 and 57,490,551.10

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Solution

The fourth proportional to 103,898,341.18, 143,379,878.79 and 57,490,551.10 is: 79,337,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,898,341.18 : 143,379,878.79 = 57,490,551.10 : x
  2. Step 2: Convert to fraction form
    103,898,341.18/143,379,878.79 = 57,490,551.10/x
  3. Step 3: Cross multiply
    103,898,341.18x = 143,379,878.79 × 57,490,551.10
  4. Step 4: Simplify right side
    103,898,341.18x = 8,242,988,248,288,301
  5. Step 5: Solve for x
    x = 8,242,988,248,288,301/103,898,341.18
  6. Step 6: Final answer
    x = 79,337,053.46

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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.