Home / 185,761,472.40-278,642,208.60-99,668,030.40

Finding the Fourth Proportional to 185,761,472.40, 278,642,208.60 and 99,668,030.40

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Solution

The fourth proportional to 185,761,472.40, 278,642,208.60 and 99,668,030.40 is: 149,502,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,761,472.40 : 278,642,208.60 = 99,668,030.40 : x
  2. Step 2: Convert to fraction form
    185,761,472.40/278,642,208.60 = 99,668,030.40/x
  3. Step 3: Cross multiply
    185,761,472.40x = 278,642,208.60 × 99,668,030.40
  4. Step 4: Simplify right side
    185,761,472.40x = 27,771,720,117,467,944
  5. Step 5: Solve for x
    x = 27,771,720,117,467,944/185,761,472.40
  6. Step 6: Final answer
    x = 149,502,045.60

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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.