Home / 42,983,553.80-64,475,330.70-39,698,971.40

Finding the Fourth Proportional to 42,983,553.80, 64,475,330.70 and 39,698,971.40

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Solution

The fourth proportional to 42,983,553.80, 64,475,330.70 and 39,698,971.40 is: 59,548,457.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,983,553.80 : 64,475,330.70 = 39,698,971.40 : x
  2. Step 2: Convert to fraction form
    42,983,553.80/64,475,330.70 = 39,698,971.40/x
  3. Step 3: Cross multiply
    42,983,553.80x = 64,475,330.70 × 39,698,971.40
  4. Step 4: Simplify right side
    42,983,553.80x = 2,559,604,309,464,842
  5. Step 5: Solve for x
    x = 2,559,604,309,464,842/42,983,553.80
  6. Step 6: Final answer
    x = 59,548,457.10

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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.