Home / 145,803,755.20-218,730,127.20-43,578,126.40

Finding the Fourth Proportional to 145,803,755.20, 218,730,127.20 and 43,578,126.40

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Solution

The fourth proportional to 145,803,755.20, 218,730,127.20 and 43,578,126.40 is: 65,374,510.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,803,755.20 : 218,730,127.20 = 43,578,126.40 : x
  2. Step 2: Convert to fraction form
    145,803,755.20/218,730,127.20 = 43,578,126.40/x
  3. Step 3: Cross multiply
    145,803,755.20x = 218,730,127.20 × 43,578,126.40
  4. Step 4: Simplify right side
    145,803,755.20x = 9,531,849,130,609,678
  5. Step 5: Solve for x
    x = 9,531,849,130,609,678/145,803,755.20
  6. Step 6: Final answer
    x = 65,374,510.54

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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.