Home / 187,865,075.20-259,255,681.76-105,357,088.48

Finding the Fourth Proportional to 187,865,075.20, 259,255,681.76 and 105,357,088.48

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Solution

The fourth proportional to 187,865,075.20, 259,255,681.76 and 105,357,088.48 is: 145,393,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,865,075.20 : 259,255,681.76 = 105,357,088.48 : x
  2. Step 2: Convert to fraction form
    187,865,075.20/259,255,681.76 = 105,357,088.48/x
  3. Step 3: Cross multiply
    187,865,075.20x = 259,255,681.76 × 105,357,088.48
  4. Step 4: Simplify right side
    187,865,075.20x = 27,314,423,802,131,044
  5. Step 5: Solve for x
    x = 27,314,423,802,131,044/187,865,075.20
  6. Step 6: Final answer
    x = 145,393,835.30

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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.