Home / 205,605,988.79-308,378,646.76-60,000,455.01

Finding the Fourth Proportional to 205,605,988.79, 308,378,646.76 and 60,000,455.01

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Solution

The fourth proportional to 205,605,988.79, 308,378,646.76 and 60,000,455.01 is: 89,991,829.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,605,988.79 : 308,378,646.76 = 60,000,455.01 : x
  2. Step 2: Convert to fraction form
    205,605,988.79/308,378,646.76 = 60,000,455.01/x
  3. Step 3: Cross multiply
    205,605,988.79x = 308,378,646.76 × 60,000,455.01
  4. Step 4: Simplify right side
    205,605,988.79x = 18,502,859,120,668,060
  5. Step 5: Solve for x
    x = 18,502,859,120,668,060/205,605,988.79
  6. Step 6: Final answer
    x = 89,991,829.66

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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.