Home / 66,490,143,495.48-91,756,486,509.35-36,006,379,718.40

Finding the Fourth Proportional to 66,490,143,495.48, 91,756,486,509.35 and 36,006,379,718.40

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Solution

The fourth proportional to 66,490,143,495.48, 91,756,486,509.35 and 36,006,379,718.40 is: 49,688,851,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,490,143,495.48 : 91,756,486,509.35 = 36,006,379,718.40 : x
  2. Step 2: Convert to fraction form
    66,490,143,495.48/91,756,486,509.35 = 36,006,379,718.40/x
  3. Step 3: Cross multiply
    66,490,143,495.48x = 91,756,486,509.35 × 36,006,379,718.40
  4. Step 4: Simplify right side
    66,490,143,495.48x = 3,303,818,894,881,722,990,592
  5. Step 5: Solve for x
    x = 3,303,818,894,881,722,990,592/66,490,143,495.48
  6. Step 6: Final answer
    x = 49,688,851,928.95

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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.