Home / 105,153,343,802.46-157,731,227,381.88-38,005,688,421.90

Finding the Fourth Proportional to 105,153,343,802.46, 157,731,227,381.88 and 38,005,688,421.90

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Solution

The fourth proportional to 105,153,343,802.46, 157,731,227,381.88 and 38,005,688,421.90 is: 57,008,970,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,153,343,802.46 : 157,731,227,381.88 = 38,005,688,421.90 : x
  2. Step 2: Convert to fraction form
    105,153,343,802.46/157,731,227,381.88 = 38,005,688,421.90/x
  3. Step 3: Cross multiply
    105,153,343,802.46x = 157,731,227,381.88 × 38,005,688,421.90
  4. Step 4: Simplify right side
    105,153,343,802.46x = 5,994,683,882,279,593,312,256
  5. Step 5: Solve for x
    x = 5,994,683,882,279,593,312,256/105,153,343,802.46
  6. Step 6: Final answer
    x = 57,008,970,571.03

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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.