Home / 90,643,343.61-136,005,206.00-47,502,290.01

Finding the Fourth Proportional to 90,643,343.61, 136,005,206.00 and 47,502,290.01

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Solution

The fourth proportional to 90,643,343.61, 136,005,206.00 and 47,502,290.01 is: 71,274,497.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,643,343.61 : 136,005,206.00 = 47,502,290.01 : x
  2. Step 2: Convert to fraction form
    90,643,343.61/136,005,206.00 = 47,502,290.01/x
  3. Step 3: Cross multiply
    90,643,343.61x = 136,005,206.00 × 47,502,290.01
  4. Step 4: Simplify right side
    90,643,343.61x = 6,460,558,738,044,281
  5. Step 5: Solve for x
    x = 6,460,558,738,044,281/90,643,343.61
  6. Step 6: Final answer
    x = 71,274,497.17

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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.