Home / 105,153,343,905.71-157,731,227,536.76-38,005,688,525.15

Finding the Fourth Proportional to 105,153,343,905.71, 157,731,227,536.76 and 38,005,688,525.15

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Solution

The fourth proportional to 105,153,343,905.71, 157,731,227,536.76 and 38,005,688,525.15 is: 57,008,970,725.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,153,343,905.71 : 157,731,227,536.76 = 38,005,688,525.15 : x
  2. Step 2: Convert to fraction form
    105,153,343,905.71/157,731,227,536.76 = 38,005,688,525.15/x
  3. Step 3: Cross multiply
    105,153,343,905.71x = 157,731,227,536.76 × 38,005,688,525.15
  4. Step 4: Simplify right side
    105,153,343,905.71x = 5,994,683,904,451,663,626,240
  5. Step 5: Solve for x
    x = 5,994,683,904,451,663,626,240/105,153,343,905.71
  6. Step 6: Final answer
    x = 57,008,970,725.91

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1.5x scale

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.