Home / 105,674,109.18-145,831,327.03-59,263,366.65

Finding the Fourth Proportional to 105,674,109.18, 145,831,327.03 and 59,263,366.65

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Solution

The fourth proportional to 105,674,109.18, 145,831,327.03 and 59,263,366.65 is: 81,784,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,674,109.18 : 145,831,327.03 = 59,263,366.65 : x
  2. Step 2: Convert to fraction form
    105,674,109.18/145,831,327.03 = 59,263,366.65/x
  3. Step 3: Cross multiply
    105,674,109.18x = 145,831,327.03 × 59,263,366.65
  4. Step 4: Simplify right side
    105,674,109.18x = 8,642,455,402,834,945
  5. Step 5: Solve for x
    x = 8,642,455,402,834,945/105,674,109.18
  6. Step 6: Final answer
    x = 81,784,038.40

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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.