Home / 105,153,343,909.74-157,731,227,542.74-38,005,688,529.18

Finding the Fourth Proportional to 105,153,343,909.74, 157,731,227,542.74 and 38,005,688,529.18

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Solution

The fourth proportional to 105,153,343,909.74, 157,731,227,542.74 and 38,005,688,529.18 is: 57,008,970,731.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,153,343,909.74 : 157,731,227,542.74 = 38,005,688,529.18 : x
  2. Step 2: Convert to fraction form
    105,153,343,909.74/157,731,227,542.74 = 38,005,688,529.18/x
  3. Step 3: Cross multiply
    105,153,343,909.74x = 157,731,227,542.74 × 38,005,688,529.18
  4. Step 4: Simplify right side
    105,153,343,909.74x = 5,994,683,905,314,593,439,744
  5. Step 5: Solve for x
    x = 5,994,683,905,314,593,439,744/105,153,343,909.74
  6. Step 6: Final answer
    x = 57,008,970,731.93

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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.